The factors of the number 120,231,120 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 529, 552, 690, 920, 947, 1058, 1104, 1380, 1587, 1840, 1894, 2116, 2645, 2760, 2841, 3174, 3788, 4232, 4735, 5290, 5520, 5682, 6348, 7576, 7935, 8464, 9470, 10580, 11364, 12696, 14205, 15152, 15870, 18940, 21160, 21781, 22728, 25392, 28410, 31740, 37880, 42320, 43562, 45456, 56820, 63480, 65343, 75760, 87124, 108905, 113640, 126960, 130686, 174248, 217810, 227280, 261372, 326715, 348496, 435620, 500963, 522744, 653430, 871240, 1001926, 1045488, 1306860, 1502889, 1742480, 2003852, 2504815, 2613720, 3005778, 4007704, 5009630, 5227440, 6011556, 7514445, 8015408, 10019260, 12023112, 15028890, 20038520, 24046224, 30057780, 40077040, 60115560, 120231120.
If you add them up, you will get the total of 390,037,536.