Q: What is the sum of all factors of the number 170,880 excluding 170,880?

A: 379,920

Why is 379,920 the sum of all factors of 170,880, excluding 170,880?

The factors of the number 170,880 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 267, 320, 356, 384, 445, 480, 534, 640, 712, 890, 960, 1068, 1335, 1424, 1780, 1920, 2136, 2670, 2848, 3560, 4272, 5340, 5696, 7120, 8544, 10680, 11392, 14240, 17088, 21360, 28480, 34176, 42720, 56960, 85440, 170880.

If you add them up, you will get the total of 171,259. Now subtract 170,880 to get 379,920