638777220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{10646287}}^1$

素因数の和:10646299

約数の個数: 24

約数和(自身を含む): 1788576384

約数和(自身を除く): 1149799164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 10646287, 21292574, 31938861, 42585148, 53231435, 63877722, 106462870, 127755444, 159694305, 212925740, 319388610, 638777220]

約数ペア:

[(1, 638777220), (2, 319388610), (3, 212925740), (4, 159694305), (5, 127755444), (6, 106462870), (10, 63877722), (12, 53231435), (15, 42585148), (20, 31938861), (30, 21292574), (60, 10646287)]