Q: What is the sum of all factors of the number 133,440 including 133,440?

A: 426,720

Why is 426,720 the sum of all factors of 133,440, including 133,440?

The factors of the number 133,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 160, 192, 240, 278, 320, 417, 480, 556, 695, 834, 960, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 4170, 4448, 5560, 6672, 8340, 8896, 11120, 13344, 16680, 22240, 26688, 33360, 44480, 66720, 133440.

If you add them up, you will get the total of 426,720.