172871760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{720299}}^1$

素因数の和:720315

約数の個数: 40

約数和(自身を含む): 535903200

約数和(自身を除く): 363031440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 720299, 1440598, 2160897, 2881196, 3601495, 4321794, 5762392, 7202990, 8643588, 10804485, 11524784, 14405980, 17287176, 21608970, 28811960, 34574352, 43217940, 57623920, 86435880, 172871760]

約数ペア:

[(1, 172871760), (2, 86435880), (3, 57623920), (4, 43217940), (5, 34574352), (6, 28811960), (8, 21608970), (10, 17287176), (12, 14405980), (15, 11524784), (16, 10804485), (20, 8643588), (24, 7202990), (30, 5762392), (40, 4321794), (48, 3601495), (60, 2881196), (80, 2160897), (120, 1440598), (240, 720299)]