218311920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9781}}^1$

素因数の和:9831

約数の個数: 120

約数和(自身を含む): 756892032

約数和(自身を除く): 538580112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 9781, 11160, 19562, 22320, 29343, 39124, 48905, 58686, 78248, 88029, 97810, 117372, 146715, 156496, 176058, 195620, 234744, 293430, 303211, 352116, 391240, 440145, 469488, 586860, 606422, 704232, 782480, 880290, 909633, 1173720, 1212844, 1408464, 1516055, 1760580, 1819266, 2347440, 2425688, 2728899, 3032110, 3521160, 3638532, 4548165, 4851376, 5457798, 6064220, 7042320, 7277064, 9096330, 10915596, 12128440, 13644495, 14554128, 18192660, 21831192, 24256880, 27288990, 36385320, 43662384, 54577980, 72770640, 109155960, 218311920]

約数ペア:

[(1, 218311920), (2, 109155960), (3, 72770640), (4, 54577980), (5, 43662384), (6, 36385320), (8, 27288990), (9, 24256880), (10, 21831192), (12, 18192660), (15, 14554128), (16, 13644495), (18, 12128440), (20, 10915596), (24, 9096330), (30, 7277064), (31, 7042320), (36, 6064220), (40, 5457798), (45, 4851376), (48, 4548165), (60, 3638532), (62, 3521160), (72, 3032110), (80, 2728899), (90, 2425688), (93, 2347440), (120, 1819266), (124, 1760580), (144, 1516055), (155, 1408464), (180, 1212844), (186, 1173720), (240, 909633), (248, 880290), (279, 782480), (310, 704232), (360, 606422), (372, 586860), (465, 469488), (496, 440145), (558, 391240), (620, 352116), (720, 303211), (744, 293430), (930, 234744), (1116, 195620), (1240, 176058), (1395, 156496), (1488, 146715), (1860, 117372), (2232, 97810), (2480, 88029), (2790, 78248), (3720, 58686), (4464, 48905), (5580, 39124), (7440, 29343), (9781, 22320), (11160, 19562)]