81503760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 275482368

約数和(自身を除く): 193978608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 151, 156, 173, 195, 208, 240, 260, 302, 312, 346, 390, 453, 519, 520, 604, 624, 692, 755, 780, 865, 906, 1038, 1040, 1208, 1384, 1510, 1560, 1730, 1812, 1963, 2076, 2249, 2265, 2416, 2595, 2768, 3020, 3120, 3460, 3624, 3926, 4152, 4498, 4530, 5190, 5889, 6040, 6747, 6920, 7248, 7852, 8304, 8996, 9060, 9815, 10380, 11245, 11778, 12080, 13494, 13840, 15704, 17992, 18120, 19630, 20760, 22490, 23556, 26123, 26988, 29445, 31408, 33735, 35984, 36240, 39260, 41520, 44980, 47112, 52246, 53976, 58890, 67470, 78369, 78520, 89960, 94224, 104492, 107952, 117780, 130615, 134940, 156738, 157040, 179920, 208984, 235560, 261230, 269880, 313476, 339599, 391845, 417968, 471120, 522460, 539760, 626952, 679198, 783690, 1018797, 1044920, 1253904, 1358396, 1567380, 1697995, 2037594, 2089840, 2716792, 3134760, 3395990, 4075188, 5093985, 5433584, 6269520, 6791980, 8150376, 10187970, 13583960, 16300752, 20375940, 27167920, 40751880, 81503760]

約数ペア:

[(1, 81503760), (2, 40751880), (3, 27167920), (4, 20375940), (5, 16300752), (6, 13583960), (8, 10187970), (10, 8150376), (12, 6791980), (13, 6269520), (15, 5433584), (16, 5093985), (20, 4075188), (24, 3395990), (26, 3134760), (30, 2716792), (39, 2089840), (40, 2037594), (48, 1697995), (52, 1567380), (60, 1358396), (65, 1253904), (78, 1044920), (80, 1018797), (104, 783690), (120, 679198), (130, 626952), (151, 539760), (156, 522460), (173, 471120), (195, 417968), (208, 391845), (240, 339599), (260, 313476), (302, 269880), (312, 261230), (346, 235560), (390, 208984), (453, 179920), (519, 157040), (520, 156738), (604, 134940), (624, 130615), (692, 117780), (755, 107952), (780, 104492), (865, 94224), (906, 89960), (1038, 78520), (1040, 78369), (1208, 67470), (1384, 58890), (1510, 53976), (1560, 52246), (1730, 47112), (1812, 44980), (1963, 41520), (2076, 39260), (2249, 36240), (2265, 35984), (2416, 33735), (2595, 31408), (2768, 29445), (3020, 26988), (3120, 26123), (3460, 23556), (3624, 22490), (3926, 20760), (4152, 19630), (4498, 18120), (4530, 17992), (5190, 15704), (5889, 13840), (6040, 13494), (6747, 12080), (6920, 11778), (7248, 11245), (7852, 10380), (8304, 9815), (8996, 9060)]