8979180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21379}}^1$

素因数の和:21398

約数の個数: 48

約数和(自身を含む): 28734720

約数和(自身を除く): 19755540

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, 21379, 42758, 64137, 85516, 106895, 128274, 149653, 213790, 256548, 299306, 320685, 427580, 448959, 598612, 641370, 748265, 897918, 1282740, 1496530, 1795836, 2244795, 2993060, 4489590, 8979180]

約数ペア:

[(1, 8979180), (2, 4489590), (3, 2993060), (4, 2244795), (5, 1795836), (6, 1496530), (7, 1282740), (10, 897918), (12, 748265), (14, 641370), (15, 598612), (20, 448959), (21, 427580), (28, 320685), (30, 299306), (35, 256548), (42, 213790), (60, 149653), (70, 128274), (84, 106895), (105, 85516), (140, 64137), (210, 42758), (420, 21379)]