Factors of 1520
The factors of 1520 are 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520. It has 20 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 1520 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1520 ≈ 38.99; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 20 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 3720. Without 1520 itself that is 2200, so 1520 is an abundant number.
LaTeX source of the formulas on this page
\[ 1520 = 2^{4} \times 5 \times 19 \]Factor pairs of 1520
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 1520 | 1 × 1520 = 1520 |
| 2 | 760 | 2 × 760 = 1520 |
| 4 | 380 | 4 × 380 = 1520 |
| 5 | 304 | 5 × 304 = 1520 |
| 8 | 190 | 8 × 190 = 1520 |
| 10 | 152 | 10 × 152 = 1520 |
| 16 | 95 | 16 × 95 = 1520 |
| 19 | 80 | 19 × 80 = 1520 |
| 20 | 76 | 20 × 76 = 1520 |
| 38 | 40 | 38 × 40 = 1520 |
Questions
What are the factors of 1520?
The factors of 1520 are 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520. It has 20 factors.
What are the prime factors of 1520?
2, 5, 19. As a product: × 5 × 19.
How many factors does 1520 have?
1520 has 20 factors (10 factor pairs).
What is the sum of the factors of 1520?
3720.
Is 1520 a prime number?
No. It is divisible by 2, so 1520 = 2 × 760.