The factors of the number 144,112,020 are: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 29, 30, 39, 46, 52, 58, 60, 65, 69, 78, 87, 92, 115, 116, 130, 138, 145, 156, 174, 195, 230, 260, 276, 277, 290, 299, 345, 348, 377, 390, 435, 460, 554, 580, 598, 667, 690, 754, 780, 831, 870, 897, 1108, 1131, 1196, 1334, 1380, 1385, 1495, 1508, 1662, 1740, 1794, 1885, 2001, 2262, 2668, 2770, 2990, 3324, 3335, 3588, 3601, 3770, 4002, 4155, 4485, 4524, 5540, 5655, 5980, 6371, 6670, 7202, 7540, 8004, 8033, 8310, 8671, 8970, 10005, 10803, 11310, 12742, 13340, 14404, 16066, 16620, 17342, 17940, 18005, 19113, 20010, 21606, 22620, 24099, 25484, 26013, 31855, 32132, 34684, 36010, 38226, 40020, 40165, 43212, 43355, 48198, 52026, 54015, 63710, 72020, 76452, 80330, 82823, 86710, 95565, 96396, 104052, 104429, 108030, 120495, 127420, 130065, 160660, 165646, 173420, 184759, 191130, 208858, 216060, 240990, 248469, 260130, 313287, 331292, 369518, 382260, 414115, 417716, 481980, 496938, 520260, 522145, 554277, 626574, 739036, 828230, 923795, 993876, 1044290, 1108554, 1242345, 1253148, 1566435, 1656460, 1847590, 2088580, 2217108, 2401867, 2484690, 2771385, 3132870, 3695180, 4803734, 4969380, 5542770, 6265740, 7205601, 9607468, 11085540, 12009335, 14411202, 24018670, 28822404, 36028005, 48037340, 72056010, 144112020.
If you add them up, you will get the total of 470,776,320.