8175538980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{720947}}^1$

素因数の和:720975

約数の個数: 120

約数和(自身を含む): 29310861888

約数和(自身を除く): 21135322908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 720947, 1441894, 2162841, 2883788, 3604735, 4325682, 5046629, 6488523, 7209470, 8651364, 10093258, 10814205, 12977046, 14418940, 15139887, 19465569, 20186516, 21628410, 25233145, 25954092, 30279774, 32442615, 38931138, 43256820, 45419661, 50466290, 58396707, 60559548, 64885230, 75699435, 77862276, 90839322, 97327845, 100932580, 116793414, 129770460, 136258983, 151398870, 181678644, 194655690, 227098305, 233586828, 272517966, 291983535, 302797740, 389311380, 408776949, 454196610, 545035932, 583967070, 681294915, 817553898, 908393220, 1167934140, 1362589830, 1635107796, 2043884745, 2725179660, 4087769490, 8175538980]

約数ペア:

[(1, 8175538980), (2, 4087769490), (3, 2725179660), (4, 2043884745), (5, 1635107796), (6, 1362589830), (7, 1167934140), (9, 908393220), (10, 817553898), (12, 681294915), (14, 583967070), (15, 545035932), (18, 454196610), (20, 408776949), (21, 389311380), (27, 302797740), (28, 291983535), (30, 272517966), (35, 233586828), (36, 227098305), (42, 194655690), (45, 181678644), (54, 151398870), (60, 136258983), (63, 129770460), (70, 116793414), (81, 100932580), (84, 97327845), (90, 90839322), (105, 77862276), (108, 75699435), (126, 64885230), (135, 60559548), (140, 58396707), (162, 50466290), (180, 45419661), (189, 43256820), (210, 38931138), (252, 32442615), (270, 30279774), (315, 25954092), (324, 25233145), (378, 21628410), (405, 20186516), (420, 19465569), (540, 15139887), (567, 14418940), (630, 12977046), (756, 10814205), (810, 10093258), (945, 8651364), (1134, 7209470), (1260, 6488523), (1620, 5046629), (1890, 4325682), (2268, 3604735), (2835, 2883788), (3780, 2162841), (5670, 1441894), (11340, 720947)]