15691020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2539}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 44378880

約数和(自身を除く): 28687860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 2539, 3090, 5078, 6180, 7617, 10156, 12695, 15234, 25390, 30468, 38085, 50780, 76170, 152340, 261517, 523034, 784551, 1046068, 1307585, 1569102, 2615170, 3138204, 3922755, 5230340, 7845510, 15691020]

約数ペア:

[(1, 15691020), (2, 7845510), (3, 5230340), (4, 3922755), (5, 3138204), (6, 2615170), (10, 1569102), (12, 1307585), (15, 1046068), (20, 784551), (30, 523034), (60, 261517), (103, 152340), (206, 76170), (309, 50780), (412, 38085), (515, 30468), (618, 25390), (1030, 15234), (1236, 12695), (1545, 10156), (2060, 7617), (2539, 6180), (3090, 5078)]