61686040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 150343200

約数和(自身を除く): 88657160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 313, 379, 520, 626, 758, 1252, 1516, 1565, 1895, 2504, 3032, 3130, 3790, 4069, 4927, 6260, 7580, 8138, 9854, 12520, 15160, 16276, 19708, 20345, 24635, 32552, 39416, 40690, 49270, 81380, 98540, 118627, 162760, 197080, 237254, 474508, 593135, 949016, 1186270, 1542151, 2372540, 3084302, 4745080, 6168604, 7710755, 12337208, 15421510, 30843020, 61686040]

約数ペア:

[(1, 61686040), (2, 30843020), (4, 15421510), (5, 12337208), (8, 7710755), (10, 6168604), (13, 4745080), (20, 3084302), (26, 2372540), (40, 1542151), (52, 1186270), (65, 949016), (104, 593135), (130, 474508), (260, 237254), (313, 197080), (379, 162760), (520, 118627), (626, 98540), (758, 81380), (1252, 49270), (1516, 40690), (1565, 39416), (1895, 32552), (2504, 24635), (3032, 20345), (3130, 19708), (3790, 16276), (4069, 15160), (4927, 12520), (6260, 9854), (7580, 8138)]