Q: What is the sum of all factors of the number 30,720 including 30,720?

A: 98,280

Why is 98,280 the sum of all factors of 30,720, including 30,720?

The factors of the number 30,720 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 5120, 6144, 7680, 10240, 15360, 30720.

If you add them up, you will get the total of 98,280.