72770640

素因数分解:

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

素因数の和:9828

約数の個数: 80

約数和(自身を含む): 232889856

約数和(自身を除く): 160119216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 9781, 19562, 29343, 39124, 48905, 58686, 78248, 97810, 117372, 146715, 156496, 195620, 234744, 293430, 303211, 391240, 469488, 586860, 606422, 782480, 909633, 1173720, 1212844, 1516055, 1819266, 2347440, 2425688, 3032110, 3638532, 4548165, 4851376, 6064220, 7277064, 9096330, 12128440, 14554128, 18192660, 24256880, 36385320, 72770640]

約数ペア:

[(1, 72770640), (2, 36385320), (3, 24256880), (4, 18192660), (5, 14554128), (6, 12128440), (8, 9096330), (10, 7277064), (12, 6064220), (15, 4851376), (16, 4548165), (20, 3638532), (24, 3032110), (30, 2425688), (31, 2347440), (40, 1819266), (48, 1516055), (60, 1212844), (62, 1173720), (80, 909633), (93, 782480), (120, 606422), (124, 586860), (155, 469488), (186, 391240), (240, 303211), (248, 293430), (310, 234744), (372, 195620), (465, 156496), (496, 146715), (620, 117372), (744, 97810), (930, 78248), (1240, 58686), (1488, 48905), (1860, 39124), (2480, 29343), (3720, 19562), (7440, 9781)]