Q: What is the sum of all factors of the number 81,180 excluding 81,180?

A: 194,004

Why is 194,004 the sum of all factors of 81,180, excluding 81,180?

The factors of the number 81,180 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 41, 44, 45, 55, 60, 66, 82, 90, 99, 110, 123, 132, 164, 165, 180, 198, 205, 220, 246, 330, 369, 396, 410, 451, 492, 495, 615, 660, 738, 820, 902, 990, 1230, 1353, 1476, 1804, 1845, 1980, 2255, 2460, 2706, 3690, 4059, 4510, 5412, 6765, 7380, 8118, 9020, 13530, 16236, 20295, 27060, 40590, 81180.

If you add them up, you will get the total of 81,374. Now subtract 81,180 to get 194,004