The factors of the number 72,327,528 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 28, 36, 38, 39, 42, 49, 52, 56, 57, 63, 72, 76, 78, 83, 84, 91, 98, 104, 114, 117, 126, 133, 147, 152, 156, 166, 168, 171, 182, 196, 228, 234, 247, 249, 252, 266, 273, 294, 312, 332, 342, 364, 392, 399, 441, 456, 468, 494, 498, 504, 532, 546, 581, 588, 637, 664, 684, 728, 741, 747, 798, 819, 882, 931, 936, 988, 996, 1064, 1079, 1092, 1162, 1176, 1197, 1274, 1368, 1482, 1494, 1577, 1596, 1638, 1729, 1743, 1764, 1862, 1911, 1976, 1992, 2158, 2184, 2223, 2324, 2394, 2548, 2793, 2964, 2988, 3154, 3192, 3237, 3276, 3458, 3486, 3528, 3724, 3822, 4067, 4316, 4446, 4648, 4731, 4788, 5096, 5187, 5229, 5586, 5733, 5928, 5976, 6308, 6474, 6552, 6916, 6972, 7448, 7553, 7644, 8134, 8379, 8632, 8892, 9462, 9576, 9711, 10374, 10458, 11039, 11172, 11466, 12103, 12201, 12616, 12948, 13832, 13944, 14193, 15106, 15288, 15561, 16268, 16758, 17784, 18924, 19422, 20501, 20748, 20916, 22078, 22344, 22659, 22932, 24206, 24402, 25896, 28386, 30212, 31122, 32536, 33117, 33516, 36309, 36603, 37848, 38844, 41002, 41496, 41832, 44156, 45318, 45864, 48412, 48804, 52871, 56772, 60424, 61503, 62244, 66234, 67032, 67977, 72618, 73206, 77273, 77688, 82004, 88312, 90636, 96824, 97608, 99351, 105742, 108927, 113544, 123006, 124488, 132468, 135954, 143507, 145236, 146412, 154546, 158613, 164008, 181272, 184509, 198702, 211484, 217854, 231819, 246012, 264936, 271908, 287014, 290472, 292824, 309092, 317226, 369018, 397404, 422968, 430521, 435708, 463638, 475839, 492024, 543816, 574028, 618184, 634452, 695457, 738036, 794808, 861042, 871416, 927276, 951678, 1004549, 1148056, 1268904, 1291563, 1390914, 1476072, 1722084, 1854552, 1903356, 2009098, 2583126, 2781828, 3013647, 3444168, 3806712, 4018196, 5166252, 5563656, 6027294, 8036392, 9040941, 10332504, 12054588, 18081882, 24109176, 36163764, 72327528.
If you add them up, you will get the total of 261,424,800.