Q: What is the sum of all factors of the number 1,811,280 excluding 1,811,280?

A: 3,804,432

Why is 3,804,432 the sum of all factors of 1,811,280, excluding 1,811,280?

The factors of the number 1,811,280 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 7547, 15094, 22641, 30188, 37735, 45282, 60376, 75470, 90564, 113205, 120752, 150940, 181128, 226410, 301880, 362256, 452820, 603760, 905640, 1811280.

If you add them up, you will get the total of 1,811,283. Now subtract 1,811,280 to get 3,804,432