Q: What is the sum of all factors of the number 72,270 excluding 72,270?

A: 135,522

Why is 135,522 the sum of all factors of 72,270, excluding 72,270?

The factors of the number 72,270 are: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 73, 90, 99, 110, 146, 165, 198, 219, 330, 365, 438, 495, 657, 730, 803, 990, 1095, 1314, 1606, 2190, 2409, 3285, 4015, 4818, 6570, 7227, 8030, 12045, 14454, 24090, 36135, 72270.

If you add them up, you will get the total of 72,405. Now subtract 72,270 to get 135,522