The factors of the number 11,535,120 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 433, 444, 555, 592, 666, 720, 740, 866, 888, 1110, 1299, 1332, 1480, 1665, 1732, 1776, 2165, 2220, 2598, 2664, 2960, 3330, 3464, 3897, 4330, 4440, 5196, 5328, 6495, 6660, 6928, 7794, 8660, 8880, 10392, 12990, 13320, 15588, 16021, 17320, 19485, 20784, 25980, 26640, 31176, 32042, 34640, 38970, 48063, 51960, 62352, 64084, 77940, 80105, 96126, 103920, 128168, 144189, 155880, 160210, 192252, 240315, 256336, 288378, 311760, 320420, 384504, 480630, 576756, 640840, 720945, 769008, 961260, 1153512, 1281680, 1441890, 1922520, 2307024, 2883780, 3845040, 5767560, 11535120.
If you add them up, you will get the total of 39,877,656.