15811180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10267}}^1$

素因数の和:10294

約数の個数: 48

約数和(自身を含む): 41400576

約数和(自身を除く): 25589396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10267, 20534, 41068, 51335, 71869, 102670, 112937, 143738, 205340, 225874, 287476, 359345, 451748, 564685, 718690, 790559, 1129370, 1437380, 1581118, 2258740, 3162236, 3952795, 7905590, 15811180]

約数ペア:

[(1, 15811180), (2, 7905590), (4, 3952795), (5, 3162236), (7, 2258740), (10, 1581118), (11, 1437380), (14, 1129370), (20, 790559), (22, 718690), (28, 564685), (35, 451748), (44, 359345), (55, 287476), (70, 225874), (77, 205340), (110, 143738), (140, 112937), (154, 102670), (220, 71869), (308, 51335), (385, 41068), (770, 20534), (1540, 10267)]