68267660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 147899136

約数和(自身を除く): 79631476

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 163, 172, 215, 326, 430, 487, 652, 815, 860, 974, 1630, 1948, 2435, 3260, 4870, 7009, 9740, 14018, 20941, 28036, 35045, 41882, 70090, 79381, 83764, 104705, 140180, 158762, 209410, 317524, 396905, 418820, 793810, 1587620, 3413383, 6826766, 13653532, 17066915, 34133830, 68267660]

約数ペア:

[(1, 68267660), (2, 34133830), (4, 17066915), (5, 13653532), (10, 6826766), (20, 3413383), (43, 1587620), (86, 793810), (163, 418820), (172, 396905), (215, 317524), (326, 209410), (430, 158762), (487, 140180), (652, 104705), (815, 83764), (860, 79381), (974, 70090), (1630, 41882), (1948, 35045), (2435, 28036), (3260, 20941), (4870, 14018), (7009, 9740)]