640304220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{10671737}}^1$

素因数の和:10671749

約数の個数: 24

約数和(自身を含む): 1792851984

約数和(自身を除く): 1152547764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10671737, 21343474, 32015211, 42686948, 53358685, 64030422, 106717370, 128060844, 160076055, 213434740, 320152110, 640304220]

約数ペア:

[(1, 640304220), (2, 320152110), (3, 213434740), (4, 160076055), (5, 128060844), (6, 106717370), (10, 64030422), (12, 53358685), (15, 42686948), (20, 32015211), (30, 21343474), (60, 10671737)]