2778660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 8648640

約数和(自身を除く): 5869980

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, 359, 387, 430, 516, 645, 718, 774, 860, 1077, 1290, 1436, 1548, 1795, 1935, 2154, 2580, 3231, 3590, 3870, 4308, 5385, 6462, 7180, 7740, 10770, 12924, 15437, 16155, 21540, 30874, 32310, 46311, 61748, 64620, 77185, 92622, 138933, 154370, 185244, 231555, 277866, 308740, 463110, 555732, 694665, 926220, 1389330, 2778660]

約数ペア:

[(1, 2778660), (2, 1389330), (3, 926220), (4, 694665), (5, 555732), (6, 463110), (9, 308740), (10, 277866), (12, 231555), (15, 185244), (18, 154370), (20, 138933), (30, 92622), (36, 77185), (43, 64620), (45, 61748), (60, 46311), (86, 32310), (90, 30874), (129, 21540), (172, 16155), (180, 15437), (215, 12924), (258, 10770), (359, 7740), (387, 7180), (430, 6462), (516, 5385), (645, 4308), (718, 3870), (774, 3590), (860, 3231), (1077, 2580), (1290, 2154), (1436, 1935), (1548, 1795)]