320199180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{762379}}^1$

素因数の和:762398

約数の個数: 48

約数和(自身を含む): 1024638720

約数和(自身を除く): 704439540

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, 762379, 1524758, 2287137, 3049516, 3811895, 4574274, 5336653, 7623790, 9148548, 10673306, 11435685, 15247580, 16009959, 21346612, 22871370, 26683265, 32019918, 45742740, 53366530, 64039836, 80049795, 106733060, 160099590, 320199180]

約数ペア:

[(1, 320199180), (2, 160099590), (3, 106733060), (4, 80049795), (5, 64039836), (6, 53366530), (7, 45742740), (10, 32019918), (12, 26683265), (14, 22871370), (15, 21346612), (20, 16009959), (21, 15247580), (28, 11435685), (30, 10673306), (35, 9148548), (42, 7623790), (60, 5336653), (70, 4574274), (84, 3811895), (105, 3049516), (140, 2287137), (210, 1524758), (420, 762379)]