72319980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28031}}^1$

素因数の和:28086

約数の個数: 48

約数和(自身を含む): 207212544

約数和(自身を除く): 134892564

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, 28031, 56062, 84093, 112124, 140155, 168186, 280310, 336372, 420465, 560620, 840930, 1205333, 1681860, 2410666, 3615999, 4821332, 6026665, 7231998, 12053330, 14463996, 18079995, 24106660, 36159990, 72319980]

約数ペア:

[(1, 72319980), (2, 36159990), (3, 24106660), (4, 18079995), (5, 14463996), (6, 12053330), (10, 7231998), (12, 6026665), (15, 4821332), (20, 3615999), (30, 2410666), (43, 1681860), (60, 1205333), (86, 840930), (129, 560620), (172, 420465), (215, 336372), (258, 280310), (430, 168186), (516, 140155), (645, 112124), (860, 84093), (1290, 56062), (2580, 28031)]