Q: What is the sum of all factors of the number 7,740 excluding 7,740?
A: 16,284
The factors of the number 7,740 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740.
If you add them up, you will get the total of 7,756. Now subtract 7,740 to get 16,284