51540660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6659}}^1$

素因数の和:6717

約数の個数: 72

約数和(自身を含む): 159999840

約数和(自身を除く): 108459180

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, 6659, 7740, 13318, 19977, 26636, 33295, 39954, 59931, 66590, 79908, 99885, 119862, 133180, 199770, 239724, 286337, 299655, 399540, 572674, 599310, 859011, 1145348, 1198620, 1431685, 1718022, 2577033, 2863370, 3436044, 4295055, 5154066, 5726740, 8590110, 10308132, 12885165, 17180220, 25770330, 51540660]

約数ペア:

[(1, 51540660), (2, 25770330), (3, 17180220), (4, 12885165), (5, 10308132), (6, 8590110), (9, 5726740), (10, 5154066), (12, 4295055), (15, 3436044), (18, 2863370), (20, 2577033), (30, 1718022), (36, 1431685), (43, 1198620), (45, 1145348), (60, 859011), (86, 599310), (90, 572674), (129, 399540), (172, 299655), (180, 286337), (215, 239724), (258, 199770), (387, 133180), (430, 119862), (516, 99885), (645, 79908), (774, 66590), (860, 59931), (1290, 39954), (1548, 33295), (1935, 26636), (2580, 19977), (3870, 13318), (6659, 7740)]