30715960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69809}}^1$

素因数の和:69831

約数の個数: 32

約数和(自身を含む): 75394800

約数和(自身を除く): 44678840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 69809, 139618, 279236, 349045, 558472, 698090, 767899, 1396180, 1535798, 2792360, 3071596, 3839495, 6143192, 7678990, 15357980, 30715960]

約数ペア:

[(1, 30715960), (2, 15357980), (4, 7678990), (5, 6143192), (8, 3839495), (10, 3071596), (11, 2792360), (20, 1535798), (22, 1396180), (40, 767899), (44, 698090), (55, 558472), (88, 349045), (110, 279236), (220, 139618), (440, 69809)]