15554960

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1$

素因数の和:1671

約数の個数: 40

約数和(自身を含む): 36473856

約数和(自身を除く): 20918896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1531, 2032, 2540, 3062, 5080, 6124, 7655, 10160, 12248, 15310, 24496, 30620, 61240, 122480, 194437, 388874, 777748, 972185, 1555496, 1944370, 3110992, 3888740, 7777480, 15554960]

約数ペア:

[(1, 15554960), (2, 7777480), (4, 3888740), (5, 3110992), (8, 1944370), (10, 1555496), (16, 972185), (20, 777748), (40, 388874), (80, 194437), (127, 122480), (254, 61240), (508, 30620), (635, 24496), (1016, 15310), (1270, 12248), (1531, 10160), (2032, 7655), (2540, 6124), (3062, 5080)]