281610680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1607}}^1$

素因数の和:1968

約数の個数: 64

約数和(自身を含む): 684815040

約数和(自身を除く): 403204360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 337, 520, 674, 1348, 1607, 1685, 2696, 3214, 3370, 4381, 6428, 6740, 8035, 8762, 12856, 13480, 16070, 17524, 20891, 21905, 32140, 35048, 41782, 43810, 64280, 83564, 87620, 104455, 167128, 175240, 208910, 417820, 541559, 835640, 1083118, 2166236, 2707795, 4332472, 5415590, 7040267, 10831180, 14080534, 21662360, 28161068, 35201335, 56322136, 70402670, 140805340, 281610680]

約数ペア:

[(1, 281610680), (2, 140805340), (4, 70402670), (5, 56322136), (8, 35201335), (10, 28161068), (13, 21662360), (20, 14080534), (26, 10831180), (40, 7040267), (52, 5415590), (65, 4332472), (104, 2707795), (130, 2166236), (260, 1083118), (337, 835640), (520, 541559), (674, 417820), (1348, 208910), (1607, 175240), (1685, 167128), (2696, 104455), (3214, 87620), (3370, 83564), (4381, 64280), (6428, 43810), (6740, 41782), (8035, 35048), (8762, 32140), (12856, 21905), (13480, 20891), (16070, 17524)]