156679640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{821}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 381144960

約数和(自身を除く): 224465320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 367, 520, 734, 821, 1468, 1642, 1835, 2936, 3284, 3670, 4105, 4771, 6568, 7340, 8210, 9542, 10673, 14680, 16420, 19084, 21346, 23855, 32840, 38168, 42692, 47710, 53365, 85384, 95420, 106730, 190840, 213460, 301307, 426920, 602614, 1205228, 1506535, 2410456, 3013070, 3916991, 6026140, 7833982, 12052280, 15667964, 19584955, 31335928, 39169910, 78339820, 156679640]

約数ペア:

[(1, 156679640), (2, 78339820), (4, 39169910), (5, 31335928), (8, 19584955), (10, 15667964), (13, 12052280), (20, 7833982), (26, 6026140), (40, 3916991), (52, 3013070), (65, 2410456), (104, 1506535), (130, 1205228), (260, 602614), (367, 426920), (520, 301307), (734, 213460), (821, 190840), (1468, 106730), (1642, 95420), (1835, 85384), (2936, 53365), (3284, 47710), (3670, 42692), (4105, 38168), (4771, 32840), (6568, 23855), (7340, 21346), (8210, 19084), (9542, 16420), (10673, 14680)]