Factor calculator
List every positive divisor, all factor pairs, and the prime factorization.
Get started
- Use the example values or enter your own measurements.
- Calculate, then copy the result or download the available details.
Example
Input
120Expected result
16 positive divisors, including 1 and 120Good to know
The calculation runs in your browser. Use consistent units in fields with no explicit unit.
Calculation method
A divisor divides the input with zero remainder. Each small divisor d pairs with n/d, so searching up to √n finds every pair.