156745058920

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1621}}^1\times {\mathrm{6481}}^1$

素因数の和:8486

約数の個数: 64

約数和(自身を含む): 353894642640

約数和(自身を除く): 197149583720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1621, 1865, 2984, 3242, 3730, 6481, 6484, 7460, 8105, 12962, 12968, 14920, 16210, 25924, 32405, 32420, 51848, 64810, 64840, 129620, 259240, 604633, 1209266, 2417413, 2418532, 3023165, 4834826, 4837064, 6046330, 9669652, 10505701, 12087065, 12092660, 19339304, 21011402, 24174130, 24185320, 42022804, 48348260, 52528505, 84045608, 96696520, 105057010, 210114020, 420228040, 3918626473, 7837252946, 15674505892, 19593132365, 31349011784, 39186264730, 78372529460, 156745058920]

約数ペア:

[(1, 156745058920), (2, 78372529460), (4, 39186264730), (5, 31349011784), (8, 19593132365), (10, 15674505892), (20, 7837252946), (40, 3918626473), (373, 420228040), (746, 210114020), (1492, 105057010), (1621, 96696520), (1865, 84045608), (2984, 52528505), (3242, 48348260), (3730, 42022804), (6481, 24185320), (6484, 24174130), (7460, 21011402), (8105, 19339304), (12962, 12092660), (12968, 12087065), (14920, 10505701), (16210, 9669652), (25924, 6046330), (32405, 4837064), (32420, 4834826), (51848, 3023165), (64810, 2418532), (64840, 2417413), (129620, 1209266), (259240, 604633)]