Q: What is the sum of all factors of the number 129,120 excluding 129,120?
A: 279,120
The factors of the number 129,120 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 269, 480, 538, 807, 1076, 1345, 1614, 2152, 2690, 3228, 4035, 4304, 5380, 6456, 8070, 8608, 10760, 12912, 16140, 21520, 25824, 32280, 43040, 64560, 129120.
If you add them up, you will get the total of 129,399. Now subtract 129,120 to get 279,120