30168560

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2713}}^1$

素因数の和:2865

約数の個数: 40

約数和(自身を含む): 70672560

約数和(自身を除く): 40504000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2713, 2780, 5426, 5560, 10852, 11120, 13565, 21704, 27130, 43408, 54260, 108520, 217040, 377107, 754214, 1508428, 1885535, 3016856, 3771070, 6033712, 7542140, 15084280, 30168560]

約数ペア:

[(1, 30168560), (2, 15084280), (4, 7542140), (5, 6033712), (8, 3771070), (10, 3016856), (16, 1885535), (20, 1508428), (40, 754214), (80, 377107), (139, 217040), (278, 108520), (556, 54260), (695, 43408), (1112, 27130), (1390, 21704), (2224, 13565), (2713, 11120), (2780, 10852), (5426, 5560)]