709685680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{27809}}^1$

素因数の和:27862

約数の個数: 80

約数和(自身を含む): 1862157600

約数和(自身を除く): 1152471920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 25520, 27809, 55618, 111236, 139045, 222472, 278090, 305899, 444944, 556180, 611798, 806461, 1112360, 1223596, 1529495, 1612922, 2224720, 2447192, 3058990, 3225844, 4032305, 4894384, 6117980, 6451688, 8064610, 8871071, 12235960, 12903376, 16129220, 17742142, 24471920, 32258440, 35484284, 44355355, 64516880, 70968568, 88710710, 141937136, 177421420, 354842840, 709685680]

約数ペア:

[(1, 709685680), (2, 354842840), (4, 177421420), (5, 141937136), (8, 88710710), (10, 70968568), (11, 64516880), (16, 44355355), (20, 35484284), (22, 32258440), (29, 24471920), (40, 17742142), (44, 16129220), (55, 12903376), (58, 12235960), (80, 8871071), (88, 8064610), (110, 6451688), (116, 6117980), (145, 4894384), (176, 4032305), (220, 3225844), (232, 3058990), (290, 2447192), (319, 2224720), (440, 1612922), (464, 1529495), (580, 1223596), (638, 1112360), (880, 806461), (1160, 611798), (1276, 556180), (1595, 444944), (2320, 305899), (2552, 278090), (3190, 222472), (5104, 139045), (6380, 111236), (12760, 55618), (25520, 27809)]