42809940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5531}}^1$

素因数の和:5589

約数の個数: 72

約数和(自身を含む): 132900768

約数和(自身を除く): 90090828

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, 5531, 7740, 11062, 16593, 22124, 27655, 33186, 49779, 55310, 66372, 82965, 99558, 110620, 165930, 199116, 237833, 248895, 331860, 475666, 497790, 713499, 951332, 995580, 1189165, 1426998, 2140497, 2378330, 2853996, 3567495, 4280994, 4756660, 7134990, 8561988, 10702485, 14269980, 21404970, 42809940]

約数ペア:

[(1, 42809940), (2, 21404970), (3, 14269980), (4, 10702485), (5, 8561988), (6, 7134990), (9, 4756660), (10, 4280994), (12, 3567495), (15, 2853996), (18, 2378330), (20, 2140497), (30, 1426998), (36, 1189165), (43, 995580), (45, 951332), (60, 713499), (86, 497790), (90, 475666), (129, 331860), (172, 248895), (180, 237833), (215, 199116), (258, 165930), (387, 110620), (430, 99558), (516, 82965), (645, 66372), (774, 55310), (860, 49779), (1290, 33186), (1548, 27655), (1935, 22124), (2580, 16593), (3870, 11062), (5531, 7740)]