Count Divisors of 810
The number 810 has 20 divisors.
What are the divisors of 810?
Divisors are numbers that divide 810 evenly without leaving a remainder.
| # | Divisor |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 6 |
| 6 | 9 |
| 7 | 10 |
| 8 | 15 |
| 9 | 18 |
| 10 | 27 |
| 11 | 30 |
| 12 | 45 |
| 13 | 54 |
| 14 | 81 |
| 15 | 90 |
| 16 | 135 |
| 17 | 162 |
| 18 | 270 |
| 19 | 405 |
| 20 | 810 |
How to Calculate the Number of Divisors?
To find the number of divisors of a number, check all integers from 1 up to the square root of the number. For each divisor found, there is a corresponding divisor that is the quotient of the original number divided by the found divisor.
Why Are Divisors Important?
Divisors are fundamental in number theory, factoring, and have applications in cryptography, computer science, and problem solving.