12745740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30347}}^1$

素因数の和:30366

約数の個数: 48

約数和(自身を含む): 40787712

約数和(自身を除く): 28041972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30347, 60694, 91041, 121388, 151735, 182082, 212429, 303470, 364164, 424858, 455205, 606940, 637287, 849716, 910410, 1062145, 1274574, 1820820, 2124290, 2549148, 3186435, 4248580, 6372870, 12745740]

約数ペア:

[(1, 12745740), (2, 6372870), (3, 4248580), (4, 3186435), (5, 2549148), (6, 2124290), (7, 1820820), (10, 1274574), (12, 1062145), (14, 910410), (15, 849716), (20, 637287), (21, 606940), (28, 455205), (30, 424858), (35, 364164), (42, 303470), (60, 212429), (70, 182082), (84, 151735), (105, 121388), (140, 91041), (210, 60694), (420, 30347)]