The factors of the number 4,487,760 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 271, 276, 345, 360, 368, 414, 460, 542, 552, 690, 720, 813, 828, 920, 1035, 1084, 1104, 1355, 1380, 1626, 1656, 1840, 2070, 2168, 2439, 2710, 2760, 3252, 3312, 4065, 4140, 4336, 4878, 5420, 5520, 6233, 6504, 8130, 8280, 9756, 10840, 12195, 12466, 13008, 16260, 16560, 18699, 19512, 21680, 24390, 24932, 31165, 32520, 37398, 39024, 48780, 49864, 56097, 62330, 65040, 74796, 93495, 97560, 99728, 112194, 124660, 149592, 186990, 195120, 224388, 249320, 280485, 299184, 373980, 448776, 498640, 560970, 747960, 897552, 1121940, 1495920, 2243880, 4487760.
If you add them up, you will get the total of 15,784,704.