Factors of 3240
The factors of 3240 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240. It has 40 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 3240 is a whole number that divides it with nothing left over. You only need to test the numbers up to √3240 ≈ 56.92; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 40 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 10890. Without 3240 itself that is 7650, so 3240 is an abundant number.
LaTeX source of the formulas on this page
\[ 3240 = 2^{3} \times 3^{4} \times 5 \]Factor pairs of 3240
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 3240 | 1 × 3240 = 3240 |
| 2 | 1620 | 2 × 1620 = 3240 |
| 3 | 1080 | 3 × 1080 = 3240 |
| 4 | 810 | 4 × 810 = 3240 |
| 5 | 648 | 5 × 648 = 3240 |
| 6 | 540 | 6 × 540 = 3240 |
| 8 | 405 | 8 × 405 = 3240 |
| 9 | 360 | 9 × 360 = 3240 |
| 10 | 324 | 10 × 324 = 3240 |
| 12 | 270 | 12 × 270 = 3240 |
| 15 | 216 | 15 × 216 = 3240 |
| 18 | 180 | 18 × 180 = 3240 |
| 20 | 162 | 20 × 162 = 3240 |
| 24 | 135 | 24 × 135 = 3240 |
| 27 | 120 | 27 × 120 = 3240 |
| 30 | 108 | 30 × 108 = 3240 |
| 36 | 90 | 36 × 90 = 3240 |
| 40 | 81 | 40 × 81 = 3240 |
| 45 | 72 | 45 × 72 = 3240 |
| 54 | 60 | 54 × 60 = 3240 |
Questions
What are the factors of 3240?
The factors of 3240 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240. It has 40 factors.
What are the prime factors of 3240?
2, 3, 5. As a product: × × 5.
How many factors does 3240 have?
3240 has 40 factors (20 factor pairs).
What is the sum of the factors of 3240?
10890.
Is 3240 a prime number?
No. It is divisible by 2, so 3240 = 2 × 1620.