2560590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1273

約数の個数: 48

約数和(自身を含む): 6952608

約数和(自身を除く): 4392018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 1237, 2070, 2474, 3711, 6185, 7422, 11133, 12370, 18555, 22266, 28451, 37110, 55665, 56902, 85353, 111330, 142255, 170706, 256059, 284510, 426765, 512118, 853530, 1280295, 2560590]

約数ペア:

[(1, 2560590), (2, 1280295), (3, 853530), (5, 512118), (6, 426765), (9, 284510), (10, 256059), (15, 170706), (18, 142255), (23, 111330), (30, 85353), (45, 56902), (46, 55665), (69, 37110), (90, 28451), (115, 22266), (138, 18555), (207, 12370), (230, 11133), (345, 7422), (414, 6185), (690, 3711), (1035, 2474), (1237, 2070)]