68581980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{381011}}^1$

素因数の和:381026

約数の個数: 36

約数和(自身を含む): 208032552

約数和(自身を除く): 139450572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 381011, 762022, 1143033, 1524044, 1905055, 2286066, 3429099, 3810110, 4572132, 5715165, 6858198, 7620220, 11430330, 13716396, 17145495, 22860660, 34290990, 68581980]

約数ペア:

[(1, 68581980), (2, 34290990), (3, 22860660), (4, 17145495), (5, 13716396), (6, 11430330), (9, 7620220), (10, 6858198), (12, 5715165), (15, 4572132), (18, 3810110), (20, 3429099), (30, 2286066), (36, 1905055), (45, 1524044), (60, 1143033), (90, 762022), (180, 381011)]