2581080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 7849440

約数和(自身を除く): 5268360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 157, 274, 314, 411, 471, 548, 628, 685, 785, 822, 942, 1096, 1256, 1370, 1570, 1644, 1884, 2055, 2355, 2740, 3140, 3288, 3768, 4110, 4710, 5480, 6280, 8220, 9420, 16440, 18840, 21509, 43018, 64527, 86036, 107545, 129054, 172072, 215090, 258108, 322635, 430180, 516216, 645270, 860360, 1290540, 2581080]

約数ペア:

[(1, 2581080), (2, 1290540), (3, 860360), (4, 645270), (5, 516216), (6, 430180), (8, 322635), (10, 258108), (12, 215090), (15, 172072), (20, 129054), (24, 107545), (30, 86036), (40, 64527), (60, 43018), (120, 21509), (137, 18840), (157, 16440), (274, 9420), (314, 8220), (411, 6280), (471, 5480), (548, 4710), (628, 4110), (685, 3768), (785, 3288), (822, 3140), (942, 2740), (1096, 2355), (1256, 2055), (1370, 1884), (1570, 1644)]