68352520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 160128000

約数和(自身を除く): 91775480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 277, 310, 398, 554, 620, 796, 995, 1108, 1240, 1385, 1592, 1990, 2216, 2770, 3980, 5540, 6169, 7960, 8587, 11080, 12338, 17174, 24676, 30845, 34348, 42935, 49352, 55123, 61690, 68696, 85870, 110246, 123380, 171740, 220492, 246760, 275615, 343480, 440984, 551230, 1102460, 1708813, 2204920, 3417626, 6835252, 8544065, 13670504, 17088130, 34176260, 68352520]

約数ペア:

[(1, 68352520), (2, 34176260), (4, 17088130), (5, 13670504), (8, 8544065), (10, 6835252), (20, 3417626), (31, 2204920), (40, 1708813), (62, 1102460), (124, 551230), (155, 440984), (199, 343480), (248, 275615), (277, 246760), (310, 220492), (398, 171740), (554, 123380), (620, 110246), (796, 85870), (995, 68696), (1108, 61690), (1240, 55123), (1385, 49352), (1592, 42935), (1990, 34348), (2216, 30845), (2770, 24676), (3980, 17174), (5540, 12338), (6169, 11080), (7960, 8587)]