17747820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2293}}^1$

素因数の和:2351

約数の個数: 72

約数和(自身を含む): 55111056

約数和(自身を除く): 37363236

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, 2293, 2580, 3870, 4586, 6879, 7740, 9172, 11465, 13758, 20637, 22930, 27516, 34395, 41274, 45860, 68790, 82548, 98599, 103185, 137580, 197198, 206370, 295797, 394396, 412740, 492995, 591594, 887391, 985990, 1183188, 1478985, 1774782, 1971980, 2957970, 3549564, 4436955, 5915940, 8873910, 17747820]

約数ペア:

[(1, 17747820), (2, 8873910), (3, 5915940), (4, 4436955), (5, 3549564), (6, 2957970), (9, 1971980), (10, 1774782), (12, 1478985), (15, 1183188), (18, 985990), (20, 887391), (30, 591594), (36, 492995), (43, 412740), (45, 394396), (60, 295797), (86, 206370), (90, 197198), (129, 137580), (172, 103185), (180, 98599), (215, 82548), (258, 68790), (387, 45860), (430, 41274), (516, 34395), (645, 27516), (774, 22930), (860, 20637), (1290, 13758), (1548, 11465), (1935, 9172), (2293, 7740), (2580, 6879), (3870, 4586)]