31888980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 103194000

約数和(自身を除く): 71305020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 41, 45, 58, 60, 82, 87, 90, 116, 123, 145, 149, 164, 174, 180, 205, 246, 261, 290, 298, 348, 369, 410, 435, 447, 492, 522, 580, 596, 615, 738, 745, 820, 870, 894, 1044, 1189, 1230, 1305, 1341, 1476, 1490, 1740, 1788, 1845, 2235, 2378, 2460, 2610, 2682, 2980, 3567, 3690, 4321, 4470, 4756, 5220, 5364, 5945, 6109, 6705, 7134, 7380, 8642, 8940, 10701, 11890, 12218, 12963, 13410, 14268, 17284, 17835, 18327, 21402, 21605, 23780, 24436, 25926, 26820, 30545, 35670, 36654, 38889, 42804, 43210, 51852, 53505, 54981, 61090, 64815, 71340, 73308, 77778, 86420, 91635, 107010, 109962, 122180, 129630, 155556, 177161, 183270, 194445, 214020, 219924, 259260, 274905, 354322, 366540, 388890, 531483, 549810, 708644, 777780, 885805, 1062966, 1099620, 1594449, 1771610, 2125932, 2657415, 3188898, 3543220, 5314830, 6377796, 7972245, 10629660, 15944490, 31888980]

約数ペア:

[(1, 31888980), (2, 15944490), (3, 10629660), (4, 7972245), (5, 6377796), (6, 5314830), (9, 3543220), (10, 3188898), (12, 2657415), (15, 2125932), (18, 1771610), (20, 1594449), (29, 1099620), (30, 1062966), (36, 885805), (41, 777780), (45, 708644), (58, 549810), (60, 531483), (82, 388890), (87, 366540), (90, 354322), (116, 274905), (123, 259260), (145, 219924), (149, 214020), (164, 194445), (174, 183270), (180, 177161), (205, 155556), (246, 129630), (261, 122180), (290, 109962), (298, 107010), (348, 91635), (369, 86420), (410, 77778), (435, 73308), (447, 71340), (492, 64815), (522, 61090), (580, 54981), (596, 53505), (615, 51852), (738, 43210), (745, 42804), (820, 38889), (870, 36654), (894, 35670), (1044, 30545), (1189, 26820), (1230, 25926), (1305, 24436), (1341, 23780), (1476, 21605), (1490, 21402), (1740, 18327), (1788, 17835), (1845, 17284), (2235, 14268), (2378, 13410), (2460, 12963), (2610, 12218), (2682, 11890), (2980, 10701), (3567, 8940), (3690, 8642), (4321, 7380), (4470, 7134), (4756, 6705), (5220, 6109), (5364, 5945)]