2159080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 6065280

約数和(自身を除く): 3906200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 701, 770, 1402, 1540, 2804, 3080, 3505, 4907, 5608, 7010, 7711, 9814, 14020, 15422, 19628, 24535, 28040, 30844, 38555, 39256, 49070, 53977, 61688, 77110, 98140, 107954, 154220, 196280, 215908, 269885, 308440, 431816, 539770, 1079540, 2159080]

約数ペア:

[(1, 2159080), (2, 1079540), (4, 539770), (5, 431816), (7, 308440), (8, 269885), (10, 215908), (11, 196280), (14, 154220), (20, 107954), (22, 98140), (28, 77110), (35, 61688), (40, 53977), (44, 49070), (55, 39256), (56, 38555), (70, 30844), (77, 28040), (88, 24535), (110, 19628), (140, 15422), (154, 14020), (220, 9814), (280, 7711), (308, 7010), (385, 5608), (440, 4907), (616, 3505), (701, 3080), (770, 2804), (1402, 1540)]