56641260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72617}}^1$

素因数の和:72642

約数の個数: 48

約数和(自身を含む): 170797536

約数和(自身を除く): 114156276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 72617, 145234, 217851, 290468, 363085, 435702, 726170, 871404, 944021, 1089255, 1452340, 1888042, 2178510, 2832063, 3776084, 4357020, 4720105, 5664126, 9440210, 11328252, 14160315, 18880420, 28320630, 56641260]

約数ペア:

[(1, 56641260), (2, 28320630), (3, 18880420), (4, 14160315), (5, 11328252), (6, 9440210), (10, 5664126), (12, 4720105), (13, 4357020), (15, 3776084), (20, 2832063), (26, 2178510), (30, 1888042), (39, 1452340), (52, 1089255), (60, 944021), (65, 871404), (78, 726170), (130, 435702), (156, 363085), (195, 290468), (260, 217851), (390, 145234), (780, 72617)]