1566739960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{1637}}^1$

素因数の和:2056

約数の個数: 64

約数和(自身を含む): 3587613120

約数和(自身を除く): 2020873160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 337, 355, 568, 674, 710, 1348, 1420, 1637, 1685, 2696, 2840, 3274, 3370, 6548, 6740, 8185, 13096, 13480, 16370, 23927, 32740, 47854, 65480, 95708, 116227, 119635, 191416, 232454, 239270, 464908, 478540, 551669, 581135, 929816, 957080, 1103338, 1162270, 2206676, 2324540, 2758345, 4413352, 4649080, 5516690, 11033380, 22066760, 39168499, 78336998, 156673996, 195842495, 313347992, 391684990, 783369980, 1566739960]

約数ペア:

[(1, 1566739960), (2, 783369980), (4, 391684990), (5, 313347992), (8, 195842495), (10, 156673996), (20, 78336998), (40, 39168499), (71, 22066760), (142, 11033380), (284, 5516690), (337, 4649080), (355, 4413352), (568, 2758345), (674, 2324540), (710, 2206676), (1348, 1162270), (1420, 1103338), (1637, 957080), (1685, 929816), (2696, 581135), (2840, 551669), (3274, 478540), (3370, 464908), (6548, 239270), (6740, 232454), (8185, 191416), (13096, 119635), (13480, 116227), (16370, 95708), (23927, 65480), (32740, 47854)]