Online Calculator

Factor Calculator

Trial division to √n lists every divisor fast.

24 factors

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360

Prime?
No
Sum of factors
1,170

How the Factor Calculator works

The calculation follows the standard method used across the US — no shortcuts, no hidden assumptions. Here is exactly what happens behind the scenes:

Frequently Asked Questions

How does the Factor Calculator work?

Enter your numbers above and results update instantly using standard formulas, computed entirely on your device.

Is the Factor Calculator free to use?

Yes — completely free with no signup required, and it works on phones, tablets, and desktops.