66153020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 142128000

約数和(自身を除く): 75974980

約数列:

[1, 2, 4, 5, 10, 20, 79, 149, 158, 281, 298, 316, 395, 562, 596, 745, 790, 1124, 1405, 1490, 1580, 2810, 2980, 5620, 11771, 22199, 23542, 41869, 44398, 47084, 58855, 83738, 88796, 110995, 117710, 167476, 209345, 221990, 235420, 418690, 443980, 837380, 3307651, 6615302, 13230604, 16538255, 33076510, 66153020]

約数ペア:

[(1, 66153020), (2, 33076510), (4, 16538255), (5, 13230604), (10, 6615302), (20, 3307651), (79, 837380), (149, 443980), (158, 418690), (281, 235420), (298, 221990), (316, 209345), (395, 167476), (562, 117710), (596, 110995), (745, 88796), (790, 83738), (1124, 58855), (1405, 47084), (1490, 44398), (1580, 41869), (2810, 23542), (2980, 22199), (5620, 11771)]