1320761515

素因数分解:

$5^1\times {\mathrm{113}}^2\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 1621402848

約数和(自身を除く): 300641333

約数列:

[1, 5, 113, 137, 151, 565, 685, 755, 12769, 15481, 17063, 20687, 63845, 77405, 85315, 103435, 1749353, 1928119, 2337631, 8746765, 9640595, 11688155, 264152303, 1320761515]

約数ペア:

[(1, 1320761515), (5, 264152303), (113, 11688155), (137, 9640595), (151, 8746765), (565, 2337631), (685, 1928119), (755, 1749353), (12769, 103435), (15481, 85315), (17063, 77405), (20687, 63845)]