13206840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 39929760

約数和(自身を除く): 26722920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 701, 785, 942, 1256, 1402, 1570, 1884, 2103, 2355, 2804, 3140, 3505, 3768, 4206, 4710, 5608, 6280, 7010, 8412, 9420, 10515, 14020, 16824, 18840, 21030, 28040, 42060, 84120, 110057, 220114, 330171, 440228, 550285, 660342, 880456, 1100570, 1320684, 1650855, 2201140, 2641368, 3301710, 4402280, 6603420, 13206840]

約数ペア:

[(1, 13206840), (2, 6603420), (3, 4402280), (4, 3301710), (5, 2641368), (6, 2201140), (8, 1650855), (10, 1320684), (12, 1100570), (15, 880456), (20, 660342), (24, 550285), (30, 440228), (40, 330171), (60, 220114), (120, 110057), (157, 84120), (314, 42060), (471, 28040), (628, 21030), (701, 18840), (785, 16824), (942, 14020), (1256, 10515), (1402, 9420), (1570, 8412), (1884, 7010), (2103, 6280), (2355, 5608), (2804, 4710), (3140, 4206), (3505, 3768)]