84777440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 229249440

約数和(自身を除く): 144472000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 110, 116, 121, 145, 151, 160, 176, 220, 232, 242, 290, 302, 319, 352, 440, 464, 484, 580, 604, 605, 638, 755, 880, 928, 968, 1160, 1208, 1210, 1276, 1510, 1595, 1661, 1760, 1936, 2320, 2416, 2420, 2552, 3020, 3190, 3322, 3509, 3872, 4379, 4640, 4832, 4840, 5104, 6040, 6380, 6644, 7018, 8305, 8758, 9680, 10208, 12080, 12760, 13288, 14036, 16610, 17516, 17545, 18271, 19360, 21895, 24160, 25520, 26576, 28072, 33220, 35032, 35090, 36542, 43790, 48169, 51040, 53152, 56144, 66440, 70064, 70180, 73084, 87580, 91355, 96338, 112288, 132880, 140128, 140360, 146168, 175160, 182710, 192676, 240845, 265760, 280720, 292336, 350320, 365420, 385352, 481690, 529859, 561440, 584672, 700640, 730840, 770704, 963380, 1059718, 1461680, 1541408, 1926760, 2119436, 2649295, 2923360, 3853520, 4238872, 5298590, 7707040, 8477744, 10597180, 16955488, 21194360, 42388720, 84777440]

約数ペア:

[(1, 84777440), (2, 42388720), (4, 21194360), (5, 16955488), (8, 10597180), (10, 8477744), (11, 7707040), (16, 5298590), (20, 4238872), (22, 3853520), (29, 2923360), (32, 2649295), (40, 2119436), (44, 1926760), (55, 1541408), (58, 1461680), (80, 1059718), (88, 963380), (110, 770704), (116, 730840), (121, 700640), (145, 584672), (151, 561440), (160, 529859), (176, 481690), (220, 385352), (232, 365420), (242, 350320), (290, 292336), (302, 280720), (319, 265760), (352, 240845), (440, 192676), (464, 182710), (484, 175160), (580, 146168), (604, 140360), (605, 140128), (638, 132880), (755, 112288), (880, 96338), (928, 91355), (968, 87580), (1160, 73084), (1208, 70180), (1210, 70064), (1276, 66440), (1510, 56144), (1595, 53152), (1661, 51040), (1760, 48169), (1936, 43790), (2320, 36542), (2416, 35090), (2420, 35032), (2552, 33220), (3020, 28072), (3190, 26576), (3322, 25520), (3509, 24160), (3872, 21895), (4379, 19360), (4640, 18271), (4832, 17545), (4840, 17516), (5104, 16610), (6040, 14036), (6380, 13288), (6644, 12760), (7018, 12080), (8305, 10208), (8758, 9680)]