173662840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 422472960

約数和(自身を除く): 248810120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 337, 520, 674, 991, 1348, 1685, 1982, 2696, 3370, 3964, 4381, 4955, 6740, 7928, 8762, 9910, 12883, 13480, 17524, 19820, 21905, 25766, 35048, 39640, 43810, 51532, 64415, 87620, 103064, 128830, 175240, 257660, 333967, 515320, 667934, 1335868, 1669835, 2671736, 3339670, 4341571, 6679340, 8683142, 13358680, 17366284, 21707855, 34732568, 43415710, 86831420, 173662840]

約数ペア:

[(1, 173662840), (2, 86831420), (4, 43415710), (5, 34732568), (8, 21707855), (10, 17366284), (13, 13358680), (20, 8683142), (26, 6679340), (40, 4341571), (52, 3339670), (65, 2671736), (104, 1669835), (130, 1335868), (260, 667934), (337, 515320), (520, 333967), (674, 257660), (991, 175240), (1348, 128830), (1685, 103064), (1982, 87620), (2696, 64415), (3370, 51532), (3964, 43810), (4381, 39640), (4955, 35048), (6740, 25766), (7928, 21905), (8762, 19820), (9910, 17524), (12883, 13480)]