257582280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2146519}}^1$

素因数の和:2146533

約数の個数: 32

約数和(自身を含む): 772747200

約数和(自身を除く): 515164920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2146519, 4293038, 6439557, 8586076, 10732595, 12879114, 17172152, 21465190, 25758228, 32197785, 42930380, 51516456, 64395570, 85860760, 128791140, 257582280]

約数ペア:

[(1, 257582280), (2, 128791140), (3, 85860760), (4, 64395570), (5, 51516456), (6, 42930380), (8, 32197785), (10, 25758228), (12, 21465190), (15, 17172152), (20, 12879114), (24, 10732595), (30, 8586076), (40, 6439557), (60, 4293038), (120, 2146519)]