The factors of the number 143,718,720 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 283, 320, 345, 368, 460, 480, 529, 552, 566, 690, 736, 849, 920, 960, 1058, 1104, 1132, 1380, 1415, 1472, 1587, 1698, 1840, 2116, 2208, 2264, 2645, 2760, 2830, 3174, 3396, 3680, 4232, 4245, 4416, 4528, 5290, 5520, 5660, 6348, 6509, 6792, 7360, 7935, 8464, 8490, 9056, 10580, 11040, 11320, 12696, 13018, 13584, 15870, 16928, 16980, 18112, 19527, 21160, 22080, 22640, 25392, 26036, 27168, 31740, 32545, 33856, 33960, 39054, 42320, 45280, 50784, 52072, 54336, 63480, 65090, 67920, 78108, 84640, 90560, 97635, 101568, 104144, 126960, 130180, 135840, 149707, 156216, 169280, 195270, 208288, 253920, 260360, 271680, 299414, 312432, 390540, 416576, 449121, 507840, 520720, 598828, 624864, 748535, 781080, 898242, 1041440, 1197656, 1249728, 1497070, 1562160, 1796484, 2082880, 2245605, 2395312, 2994140, 3124320, 3592968, 4491210, 4790624, 5988280, 6248640, 7185936, 8982420, 9581248, 11976560, 14371872, 17964840, 23953120, 28743744, 35929680, 47906240, 71859360, 143718720.
If you add them up, you will get the total of 478,694,496.