2015493420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{781199}}^1$

素因数の和:781254

約数の個数: 48

約数和(自身を含む): 5774630400

約数和(自身を除く): 3759136980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 781199, 1562398, 2343597, 3124796, 3905995, 4687194, 7811990, 9374388, 11717985, 15623980, 23435970, 33591557, 46871940, 67183114, 100774671, 134366228, 167957785, 201549342, 335915570, 403098684, 503873355, 671831140, 1007746710, 2015493420]

約数ペア:

[(1, 2015493420), (2, 1007746710), (3, 671831140), (4, 503873355), (5, 403098684), (6, 335915570), (10, 201549342), (12, 167957785), (15, 134366228), (20, 100774671), (30, 67183114), (43, 46871940), (60, 33591557), (86, 23435970), (129, 15623980), (172, 11717985), (215, 9374388), (258, 7811990), (430, 4687194), (516, 3905995), (645, 3124796), (860, 2343597), (1290, 1562398), (2580, 781199)]