The factors of the number 605,435,520 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 3280, 3936, 4920, 5248, 6560, 7691, 7872, 9840, 13120, 15382, 15744, 19680, 23073, 26240, 30764, 38455, 39360, 46146, 61528, 76910, 78720, 92292, 115365, 123056, 153820, 184584, 230730, 246112, 307640, 315331, 369168, 461460, 492224, 615280, 630662, 738336, 922920, 945993, 984448, 1230560, 1261324, 1476672, 1576655, 1845840, 1891986, 2461120, 2522648, 2953344, 3153310, 3691680, 3783972, 4729965, 4922240, 5045296, 6306620, 7383360, 7567944, 9459930, 10090592, 12613240, 14766720, 15135888, 18919860, 20181184, 25226480, 30271776, 37839720, 40362368, 50452960, 60543552, 75679440, 100905920, 121087104, 151358880, 201811840, 302717760, 605435520.
If you add them up, you will get the total of 1,977,151,680.