63327980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 136080000

約数和(自身を除く): 72752020

約数列:

[1, 2, 4, 5, 10, 20, 79, 149, 158, 269, 298, 316, 395, 538, 596, 745, 790, 1076, 1345, 1490, 1580, 2690, 2980, 5380, 11771, 21251, 23542, 40081, 42502, 47084, 58855, 80162, 85004, 106255, 117710, 160324, 200405, 212510, 235420, 400810, 425020, 801620, 3166399, 6332798, 12665596, 15831995, 31663990, 63327980]

約数ペア:

[(1, 63327980), (2, 31663990), (4, 15831995), (5, 12665596), (10, 6332798), (20, 3166399), (79, 801620), (149, 425020), (158, 400810), (269, 235420), (298, 212510), (316, 200405), (395, 160324), (538, 117710), (596, 106255), (745, 85004), (790, 80162), (1076, 58855), (1345, 47084), (1490, 42502), (1580, 40081), (2690, 23542), (2980, 21251), (5380, 11771)]