39980280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1579}}^1$

素因数の和:1804

約数の個数: 64

約数和(自身を含む): 120585600

約数和(自身を除く): 80605320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1579, 1688, 2110, 2532, 3158, 3165, 4220, 4737, 5064, 6316, 6330, 7895, 8440, 9474, 12632, 12660, 15790, 18948, 23685, 25320, 31580, 37896, 47370, 63160, 94740, 189480, 333169, 666338, 999507, 1332676, 1665845, 1999014, 2665352, 3331690, 3998028, 4997535, 6663380, 7996056, 9995070, 13326760, 19990140, 39980280]

約数ペア:

[(1, 39980280), (2, 19990140), (3, 13326760), (4, 9995070), (5, 7996056), (6, 6663380), (8, 4997535), (10, 3998028), (12, 3331690), (15, 2665352), (20, 1999014), (24, 1665845), (30, 1332676), (40, 999507), (60, 666338), (120, 333169), (211, 189480), (422, 94740), (633, 63160), (844, 47370), (1055, 37896), (1266, 31580), (1579, 25320), (1688, 23685), (2110, 18948), (2532, 15790), (3158, 12660), (3165, 12632), (4220, 9474), (4737, 8440), (5064, 7895), (6316, 6330)]