81034580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 201180672

約数和(自身を除く): 120146092

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 47, 55, 68, 85, 94, 110, 170, 187, 188, 220, 235, 340, 374, 461, 470, 517, 748, 799, 922, 935, 940, 1034, 1598, 1844, 1870, 2068, 2305, 2585, 3196, 3740, 3995, 4610, 5071, 5170, 7837, 7990, 8789, 9220, 10142, 10340, 15674, 15980, 17578, 20284, 21667, 25355, 31348, 35156, 39185, 43334, 43945, 50710, 78370, 86207, 86668, 87890, 101420, 108335, 156740, 172414, 175780, 216670, 238337, 344828, 368339, 431035, 433340, 476674, 736678, 862070, 953348, 1191685, 1473356, 1724140, 1841695, 2383370, 3683390, 4051729, 4766740, 7366780, 8103458, 16206916, 20258645, 40517290, 81034580]

約数ペア:

[(1, 81034580), (2, 40517290), (4, 20258645), (5, 16206916), (10, 8103458), (11, 7366780), (17, 4766740), (20, 4051729), (22, 3683390), (34, 2383370), (44, 1841695), (47, 1724140), (55, 1473356), (68, 1191685), (85, 953348), (94, 862070), (110, 736678), (170, 476674), (187, 433340), (188, 431035), (220, 368339), (235, 344828), (340, 238337), (374, 216670), (461, 175780), (470, 172414), (517, 156740), (748, 108335), (799, 101420), (922, 87890), (935, 86668), (940, 86207), (1034, 78370), (1598, 50710), (1844, 43945), (1870, 43334), (2068, 39185), (2305, 35156), (2585, 31348), (3196, 25355), (3740, 21667), (3995, 20284), (4610, 17578), (5071, 15980), (5170, 15674), (7837, 10340), (7990, 10142), (8789, 9220)]