15803180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 34836480

約数和(自身を除く): 19033300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 359, 620, 710, 718, 1420, 1436, 1795, 2201, 3590, 4402, 7180, 8804, 11005, 11129, 22010, 22258, 25489, 44020, 44516, 50978, 55645, 101956, 111290, 127445, 222580, 254890, 509780, 790159, 1580318, 3160636, 3950795, 7901590, 15803180]

約数ペア:

[(1, 15803180), (2, 7901590), (4, 3950795), (5, 3160636), (10, 1580318), (20, 790159), (31, 509780), (62, 254890), (71, 222580), (124, 127445), (142, 111290), (155, 101956), (284, 55645), (310, 50978), (355, 44516), (359, 44020), (620, 25489), (710, 22258), (718, 22010), (1420, 11129), (1436, 11005), (1795, 8804), (2201, 7180), (3590, 4402)]