Factors of 2520
The factors of 2520 are 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520. It has 48 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 2520 is a whole number that divides it with nothing left over. You only need to test the numbers up to √2520 ≈ 50.20; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 48 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 9360. Without 2520 itself that is 6840, so 2520 is an abundant number.
LaTeX source of the formulas on this page
\[ 2520 = 2^{3} \times 3^{2} \times 5 \times 7 \]Factor pairs of 2520
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 2520 | 1 × 2520 = 2520 |
| 2 | 1260 | 2 × 1260 = 2520 |
| 3 | 840 | 3 × 840 = 2520 |
| 4 | 630 | 4 × 630 = 2520 |
| 5 | 504 | 5 × 504 = 2520 |
| 6 | 420 | 6 × 420 = 2520 |
| 7 | 360 | 7 × 360 = 2520 |
| 8 | 315 | 8 × 315 = 2520 |
| 9 | 280 | 9 × 280 = 2520 |
| 10 | 252 | 10 × 252 = 2520 |
| 12 | 210 | 12 × 210 = 2520 |
| 14 | 180 | 14 × 180 = 2520 |
| 15 | 168 | 15 × 168 = 2520 |
| 18 | 140 | 18 × 140 = 2520 |
| 20 | 126 | 20 × 126 = 2520 |
| 21 | 120 | 21 × 120 = 2520 |
| 24 | 105 | 24 × 105 = 2520 |
| 28 | 90 | 28 × 90 = 2520 |
| 30 | 84 | 30 × 84 = 2520 |
| 35 | 72 | 35 × 72 = 2520 |
| 36 | 70 | 36 × 70 = 2520 |
| 40 | 63 | 40 × 63 = 2520 |
| 42 | 60 | 42 × 60 = 2520 |
| 45 | 56 | 45 × 56 = 2520 |
Questions
What are the factors of 2520?
The factors of 2520 are 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520. It has 48 factors.
What are the prime factors of 2520?
2, 3, 5, 7. As a product: × × 5 × 7.
How many factors does 2520 have?
2520 has 48 factors (24 factor pairs).
What is the sum of the factors of 2520?
9360.
Is 2520 a prime number?
No. It is divisible by 2, so 2520 = 2 × 1260.