The factors of the number 142,180,272 are: 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 29, 36, 39, 48, 52, 54, 58, 72, 78, 81, 87, 97, 104, 108, 116, 117, 144, 156, 162, 174, 194, 208, 216, 232, 234, 243, 261, 291, 312, 324, 348, 351, 377, 388, 432, 464, 468, 486, 522, 582, 624, 648, 696, 702, 754, 776, 783, 873, 936, 972, 1044, 1053, 1131, 1164, 1261, 1296, 1392, 1404, 1508, 1552, 1566, 1746, 1872, 1944, 2088, 2106, 2262, 2328, 2349, 2522, 2619, 2808, 2813, 3016, 3132, 3159, 3393, 3492, 3783, 3888, 4176, 4212, 4524, 4656, 4698, 5044, 5238, 5616, 5626, 6032, 6264, 6318, 6786, 6984, 7047, 7566, 7857, 8424, 8439, 9048, 9396, 10088, 10179, 10476, 11252, 11349, 12528, 12636, 13572, 13968, 14094, 15132, 15714, 16848, 16878, 18096, 18792, 20176, 20358, 20952, 22504, 22698, 23571, 25272, 25317, 27144, 28188, 30264, 30537, 31428, 33756, 34047, 36569, 37584, 40716, 41904, 45008, 45396, 47142, 50544, 50634, 54288, 56376, 60528, 61074, 62856, 67512, 68094, 73138, 75951, 81432, 90792, 91611, 94284, 101268, 102141, 109707, 112752, 122148, 125712, 135024, 136188, 146276, 151902, 162864, 181584, 183222, 188568, 202536, 204282, 219414, 227853, 244296, 272376, 292552, 303804, 306423, 329121, 366444, 377136, 405072, 408564, 438828, 455706, 488592, 544752, 585104, 607608, 612846, 658242, 683559, 732888, 817128, 877656, 911412, 987363, 1215216, 1225692, 1316484, 1367118, 1465776, 1634256, 1755312, 1822824, 1974726, 2451384, 2632968, 2734236, 2962089, 3645648, 3949452, 4902768, 5265936, 5468472, 5924178, 7898904, 8886267, 10936944, 11848356, 15797808, 17772534, 23696712, 35545068, 47393424, 71090136, 142180272.
If you add them up, you will get the total of 464,449,440.