12451620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1493}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 35138880

約数和(自身を除く): 22687260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1493, 1668, 2085, 2780, 2986, 4170, 4479, 5972, 7465, 8340, 8958, 14930, 17916, 22395, 29860, 44790, 89580, 207527, 415054, 622581, 830108, 1037635, 1245162, 2075270, 2490324, 3112905, 4150540, 6225810, 12451620]

約数ペア:

[(1, 12451620), (2, 6225810), (3, 4150540), (4, 3112905), (5, 2490324), (6, 2075270), (10, 1245162), (12, 1037635), (15, 830108), (20, 622581), (30, 415054), (60, 207527), (139, 89580), (278, 44790), (417, 29860), (556, 22395), (695, 17916), (834, 14930), (1390, 8958), (1493, 8340), (1668, 7465), (2085, 5972), (2780, 4479), (2986, 4170)]