64997680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 166087584

約数和(自身を除く): 101089904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 233, 317, 440, 466, 634, 880, 932, 1165, 1268, 1585, 1864, 2330, 2536, 2563, 3170, 3487, 3728, 4660, 5072, 5126, 6340, 6974, 9320, 10252, 12680, 12815, 13948, 17435, 18640, 20504, 25360, 25630, 27896, 34870, 41008, 51260, 55792, 69740, 73861, 102520, 139480, 147722, 205040, 278960, 295444, 369305, 590888, 738610, 812471, 1181776, 1477220, 1624942, 2954440, 3249884, 4062355, 5908880, 6499768, 8124710, 12999536, 16249420, 32498840, 64997680]

約数ペア:

[(1, 64997680), (2, 32498840), (4, 16249420), (5, 12999536), (8, 8124710), (10, 6499768), (11, 5908880), (16, 4062355), (20, 3249884), (22, 2954440), (40, 1624942), (44, 1477220), (55, 1181776), (80, 812471), (88, 738610), (110, 590888), (176, 369305), (220, 295444), (233, 278960), (317, 205040), (440, 147722), (466, 139480), (634, 102520), (880, 73861), (932, 69740), (1165, 55792), (1268, 51260), (1585, 41008), (1864, 34870), (2330, 27896), (2536, 25630), (2563, 25360), (3170, 20504), (3487, 18640), (3728, 17435), (4660, 13948), (5072, 12815), (5126, 12680), (6340, 10252), (6974, 9320)]