64187820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8293}}^1$

素因数の和:8351

約数の個数: 72

約数和(自身を含む): 199255056

約数和(自身を除く): 135067236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8293, 16586, 24879, 33172, 41465, 49758, 74637, 82930, 99516, 124395, 149274, 165860, 248790, 298548, 356599, 373185, 497580, 713198, 746370, 1069797, 1426396, 1492740, 1782995, 2139594, 3209391, 3565990, 4279188, 5348985, 6418782, 7131980, 10697970, 12837564, 16046955, 21395940, 32093910, 64187820]

約数ペア:

[(1, 64187820), (2, 32093910), (3, 21395940), (4, 16046955), (5, 12837564), (6, 10697970), (9, 7131980), (10, 6418782), (12, 5348985), (15, 4279188), (18, 3565990), (20, 3209391), (30, 2139594), (36, 1782995), (43, 1492740), (45, 1426396), (60, 1069797), (86, 746370), (90, 713198), (129, 497580), (172, 373185), (180, 356599), (215, 298548), (258, 248790), (387, 165860), (430, 149274), (516, 124395), (645, 99516), (774, 82930), (860, 74637), (1290, 49758), (1548, 41465), (1935, 33172), (2580, 24879), (3870, 16586), (7740, 8293)]