64994640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1193}}^1$

素因数の和:1436

約数の個数: 80

約数和(自身を含む): 202540608

約数和(自身を除く): 137545968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 227, 240, 454, 681, 908, 1135, 1193, 1362, 1816, 2270, 2386, 2724, 3405, 3579, 3632, 4540, 4772, 5448, 5965, 6810, 7158, 9080, 9544, 10896, 11930, 13620, 14316, 17895, 18160, 19088, 23860, 27240, 28632, 35790, 47720, 54480, 57264, 71580, 95440, 143160, 270811, 286320, 541622, 812433, 1083244, 1354055, 1624866, 2166488, 2708110, 3249732, 4062165, 4332976, 5416220, 6499464, 8124330, 10832440, 12998928, 16248660, 21664880, 32497320, 64994640]

約数ペア:

[(1, 64994640), (2, 32497320), (3, 21664880), (4, 16248660), (5, 12998928), (6, 10832440), (8, 8124330), (10, 6499464), (12, 5416220), (15, 4332976), (16, 4062165), (20, 3249732), (24, 2708110), (30, 2166488), (40, 1624866), (48, 1354055), (60, 1083244), (80, 812433), (120, 541622), (227, 286320), (240, 270811), (454, 143160), (681, 95440), (908, 71580), (1135, 57264), (1193, 54480), (1362, 47720), (1816, 35790), (2270, 28632), (2386, 27240), (2724, 23860), (3405, 19088), (3579, 18160), (3632, 17895), (4540, 14316), (4772, 13620), (5448, 11930), (5965, 10896), (6810, 9544), (7158, 9080)]