28459980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3677}}^1$

素因数の和:3735

約数の個数: 72

約数和(自身を含む): 88360272

約数和(自身を除く): 59900292

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, 3677, 3870, 7354, 7740, 11031, 14708, 18385, 22062, 33093, 36770, 44124, 55155, 66186, 73540, 110310, 132372, 158111, 165465, 220620, 316222, 330930, 474333, 632444, 661860, 790555, 948666, 1422999, 1581110, 1897332, 2371665, 2845998, 3162220, 4743330, 5691996, 7114995, 9486660, 14229990, 28459980]

約数ペア:

[(1, 28459980), (2, 14229990), (3, 9486660), (4, 7114995), (5, 5691996), (6, 4743330), (9, 3162220), (10, 2845998), (12, 2371665), (15, 1897332), (18, 1581110), (20, 1422999), (30, 948666), (36, 790555), (43, 661860), (45, 632444), (60, 474333), (86, 330930), (90, 316222), (129, 220620), (172, 165465), (180, 158111), (215, 132372), (258, 110310), (387, 73540), (430, 66186), (516, 55155), (645, 44124), (774, 36770), (860, 33093), (1290, 22062), (1548, 18385), (1935, 14708), (2580, 11031), (3677, 7740), (3870, 7354)]