Q: What is the sum of all factors of the number 1,278,640 including 1,278,640?

A: 3,245,328

Why is 3,245,328 the sum of all factors of 1,278,640, including 1,278,640?

The factors of the number 1,278,640 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1453, 2906, 5812, 7265, 11624, 14530, 15983, 23248, 29060, 31966, 58120, 63932, 79915, 116240, 127864, 159830, 255728, 319660, 639320, 1278640.

If you add them up, you will get the total of 3,245,328.