210820720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:815

約数の個数: 120

約数和(自身を含む): 558089280

約数和(自身を除く): 347268560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 121, 145, 176, 220, 232, 242, 290, 319, 440, 464, 484, 580, 605, 638, 751, 880, 968, 1160, 1210, 1276, 1502, 1595, 1936, 2320, 2420, 2552, 3004, 3190, 3509, 3755, 4840, 5104, 6008, 6380, 7018, 7510, 8261, 9680, 12016, 12760, 14036, 15020, 16522, 17545, 21779, 25520, 28072, 30040, 33044, 35090, 41305, 43558, 56144, 60080, 66088, 70180, 82610, 87116, 90871, 108895, 132176, 140360, 165220, 174232, 181742, 217790, 239569, 280720, 330440, 348464, 363484, 435580, 454355, 479138, 660880, 726968, 871160, 908710, 958276, 1197845, 1453936, 1742320, 1817420, 1916552, 2395690, 2635259, 3634840, 3833104, 4791380, 5270518, 7269680, 9582760, 10541036, 13176295, 19165520, 21082072, 26352590, 42164144, 52705180, 105410360, 210820720]

約数ペア:

[(1, 210820720), (2, 105410360), (4, 52705180), (5, 42164144), (8, 26352590), (10, 21082072), (11, 19165520), (16, 13176295), (20, 10541036), (22, 9582760), (29, 7269680), (40, 5270518), (44, 4791380), (55, 3833104), (58, 3634840), (80, 2635259), (88, 2395690), (110, 1916552), (116, 1817420), (121, 1742320), (145, 1453936), (176, 1197845), (220, 958276), (232, 908710), (242, 871160), (290, 726968), (319, 660880), (440, 479138), (464, 454355), (484, 435580), (580, 363484), (605, 348464), (638, 330440), (751, 280720), (880, 239569), (968, 217790), (1160, 181742), (1210, 174232), (1276, 165220), (1502, 140360), (1595, 132176), (1936, 108895), (2320, 90871), (2420, 87116), (2552, 82610), (3004, 70180), (3190, 66088), (3509, 60080), (3755, 56144), (4840, 43558), (5104, 41305), (6008, 35090), (6380, 33044), (7018, 30040), (7510, 28072), (8261, 25520), (9680, 21779), (12016, 17545), (12760, 16522), (14036, 15020)]