90379980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11677}}^1$

素因数の和:11735

約数の個数: 72

約数和(自身を含む): 280552272

約数和(自身を除く): 190172292

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, 11677, 23354, 35031, 46708, 58385, 70062, 105093, 116770, 140124, 175155, 210186, 233540, 350310, 420372, 502111, 525465, 700620, 1004222, 1050930, 1506333, 2008444, 2101860, 2510555, 3012666, 4518999, 5021110, 6025332, 7531665, 9037998, 10042220, 15063330, 18075996, 22594995, 30126660, 45189990, 90379980]

約数ペア:

[(1, 90379980), (2, 45189990), (3, 30126660), (4, 22594995), (5, 18075996), (6, 15063330), (9, 10042220), (10, 9037998), (12, 7531665), (15, 6025332), (18, 5021110), (20, 4518999), (30, 3012666), (36, 2510555), (43, 2101860), (45, 2008444), (60, 1506333), (86, 1050930), (90, 1004222), (129, 700620), (172, 525465), (180, 502111), (215, 420372), (258, 350310), (387, 233540), (430, 210186), (516, 175155), (645, 140124), (774, 116770), (860, 105093), (1290, 70062), (1548, 58385), (1935, 46708), (2580, 35031), (3870, 23354), (7740, 11677)]