The factors of the number 156,743,730 are: 1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 19, 22, 26, 30, 33, 38, 39, 45, 55, 57, 65, 66, 78, 90, 95, 99, 110, 114, 117, 130, 143, 165, 171, 190, 195, 198, 209, 234, 247, 285, 286, 330, 342, 390, 418, 429, 494, 495, 570, 585, 627, 641, 715, 741, 855, 858, 990, 1045, 1170, 1235, 1254, 1282, 1287, 1430, 1482, 1710, 1881, 1923, 2090, 2145, 2223, 2470, 2574, 2717, 3135, 3205, 3705, 3762, 3846, 4290, 4446, 5434, 5769, 6270, 6410, 6435, 7051, 7410, 8151, 8333, 9405, 9615, 11115, 11538, 12179, 12870, 13585, 14102, 16302, 16666, 18810, 19230, 21153, 22230, 24358, 24453, 24999, 27170, 28845, 35255, 36537, 40755, 41665, 42306, 48906, 49998, 57690, 60895, 63459, 70510, 73074, 74997, 81510, 83330, 91663, 105765, 109611, 121790, 122265, 124995, 126918, 133969, 149994, 158327, 182685, 183326, 211530, 219222, 244530, 249990, 267938, 274989, 316654, 317295, 365370, 374985, 401907, 458315, 474981, 548055, 549978, 634590, 669845, 749970, 791635, 803814, 824967, 916630, 949962, 1096110, 1205721, 1339690, 1374945, 1424943, 1583270, 1649934, 1741597, 2009535, 2374905, 2411442, 2749890, 2849886, 3483194, 4019070, 4124835, 4749810, 5224791, 6028605, 7124715, 8249670, 8707985, 10449582, 12057210, 14249430, 15674373, 17415970, 26123955, 31348746, 52247910, 78371865, 156743730.
If you add them up, you will get the total of 504,766,080.