The factors of the number 660,361,416 are: 1, 2, 3, 4, 6, 8, 11, 12, 13, 19, 22, 24, 26, 33, 38, 39, 41, 44, 52, 57, 66, 76, 78, 82, 88, 104, 114, 123, 132, 143, 152, 156, 164, 169, 209, 228, 246, 247, 264, 286, 312, 328, 338, 361, 418, 429, 451, 456, 492, 494, 507, 533, 572, 627, 676, 722, 741, 779, 836, 858, 902, 984, 988, 1014, 1066, 1083, 1144, 1254, 1352, 1353, 1444, 1482, 1558, 1599, 1672, 1716, 1804, 1859, 1976, 2028, 2132, 2166, 2337, 2508, 2706, 2717, 2888, 2964, 3116, 3198, 3211, 3432, 3608, 3718, 3971, 4056, 4264, 4332, 4674, 4693, 5016, 5412, 5434, 5577, 5863, 5928, 6232, 6396, 6422, 6929, 7436, 7942, 8151, 8569, 8664, 9348, 9386, 9633, 10127, 10824, 10868, 11154, 11726, 11913, 12792, 12844, 13858, 14079, 14801, 14872, 15884, 16302, 17138, 17589, 18696, 18772, 19266, 20254, 20787, 21736, 22308, 23452, 23826, 25688, 25707, 27716, 28158, 29602, 30381, 31768, 32604, 34276, 35178, 35321, 37544, 38532, 40508, 41574, 44403, 44616, 46904, 47652, 51414, 51623, 55432, 56316, 59204, 60762, 61009, 65208, 68552, 70356, 70642, 76219, 77064, 81016, 83148, 88806, 95304, 102828, 103246, 105963, 111397, 112632, 118408, 121524, 122018, 131651, 140712, 141284, 152438, 154869, 162811, 166296, 177612, 183027, 192413, 205656, 206492, 211926, 222794, 228657, 243048, 244036, 263302, 282568, 304876, 309738, 325622, 334191, 355224, 366054, 384826, 394953, 412984, 423852, 445588, 457314, 488072, 488433, 526604, 577239, 609752, 619476, 651244, 668382, 671099, 732108, 769652, 789906, 847704, 891176, 914628, 976866, 1053208, 1154478, 1238952, 1302488, 1336764, 1342198, 1448161, 1464216, 1539304, 1579812, 1829256, 1953732, 2013297, 2116543, 2308956, 2501369, 2673528, 2684396, 2896322, 3159624, 3907464, 4026594, 4233086, 4344483, 4617912, 5002738, 5368792, 5792644, 6349629, 7504107, 8053188, 8466172, 8688966, 10005476, 11585288, 12699258, 15008214, 16106376, 16932344, 17377932, 20010952, 25398516, 27515059, 30016428, 34755864, 50797032, 55030118, 60032856, 82545177, 110060236, 165090354, 220120472, 330180708, 660361416.
If you add them up, you will get the total of 2,108,423,520.