30691140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{511519}}^1$

素因数の和:511531

約数の個数: 24

約数和(自身を含む): 85935360

約数和(自身を除く): 55244220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 511519, 1023038, 1534557, 2046076, 2557595, 3069114, 5115190, 6138228, 7672785, 10230380, 15345570, 30691140]

約数ペア:

[(1, 30691140), (2, 15345570), (3, 10230380), (4, 7672785), (5, 6138228), (6, 5115190), (10, 3069114), (12, 2557595), (15, 2046076), (20, 1534557), (30, 1023038), (60, 511519)]