2787560

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 6320160

約数和(自身を除く): 3532600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 307, 454, 614, 908, 1135, 1228, 1535, 1816, 2270, 2456, 3070, 4540, 6140, 9080, 12280, 69689, 139378, 278756, 348445, 557512, 696890, 1393780, 2787560]

約数ペア:

[(1, 2787560), (2, 1393780), (4, 696890), (5, 557512), (8, 348445), (10, 278756), (20, 139378), (40, 69689), (227, 12280), (307, 9080), (454, 6140), (614, 4540), (908, 3070), (1135, 2456), (1228, 2270), (1535, 1816)]