30781860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{513031}}^1$

素因数の和:513043

約数の個数: 24

約数和(自身を含む): 86189376

約数和(自身を除く): 55407516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 513031, 1026062, 1539093, 2052124, 2565155, 3078186, 5130310, 6156372, 7695465, 10260620, 15390930, 30781860]

約数ペア:

[(1, 30781860), (2, 15390930), (3, 10260620), (4, 7695465), (5, 6156372), (6, 5130310), (10, 3078186), (12, 2565155), (15, 2052124), (20, 1539093), (30, 1026062), (60, 513031)]