Factors of 1020
The factors of 1020 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020. It has 24 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 1020 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1020 ≈ 31.94; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 24 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 3024. Without 1020 itself that is 2004, so 1020 is an abundant number.
LaTeX source of the formulas on this page
\[ 1020 = 2^{2} \times 3 \times 5 \times 17 \]Factor pairs of 1020
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 1020 | 1 × 1020 = 1020 |
| 2 | 510 | 2 × 510 = 1020 |
| 3 | 340 | 3 × 340 = 1020 |
| 4 | 255 | 4 × 255 = 1020 |
| 5 | 204 | 5 × 204 = 1020 |
| 6 | 170 | 6 × 170 = 1020 |
| 10 | 102 | 10 × 102 = 1020 |
| 12 | 85 | 12 × 85 = 1020 |
| 15 | 68 | 15 × 68 = 1020 |
| 17 | 60 | 17 × 60 = 1020 |
| 20 | 51 | 20 × 51 = 1020 |
| 30 | 34 | 30 × 34 = 1020 |
Questions
What are the factors of 1020?
The factors of 1020 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020. It has 24 factors.
What are the prime factors of 1020?
2, 3, 5, 17. As a product: × 3 × 5 × 17.
How many factors does 1020 have?
1020 has 24 factors (12 factor pairs).
What is the sum of the factors of 1020?
3024.
Is 1020 a prime number?
No. It is divisible by 2, so 1020 = 2 × 510.