1491280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2663}}^1$

素因数の和:2683

約数の個数: 40

約数和(自身を含む): 3964032

約数和(自身を除く): 2472752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2663, 5326, 10652, 13315, 18641, 21304, 26630, 37282, 42608, 53260, 74564, 93205, 106520, 149128, 186410, 213040, 298256, 372820, 745640, 1491280]

約数ペア:

[(1, 1491280), (2, 745640), (4, 372820), (5, 298256), (7, 213040), (8, 186410), (10, 149128), (14, 106520), (16, 93205), (20, 74564), (28, 53260), (35, 42608), (40, 37282), (56, 26630), (70, 21304), (80, 18641), (112, 13315), (140, 10652), (280, 5326), (560, 2663)]