640272

素因数分解:

$2^4\times 3^1\times {\mathrm{13339}}^1$

素因数の和:13350

約数の個数: 20

約数和(自身を含む): 1654160

約数和(自身を除く): 1013888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13339, 26678, 40017, 53356, 80034, 106712, 160068, 213424, 320136, 640272]

約数ペア:

[(1, 640272), (2, 320136), (3, 213424), (4, 160068), (6, 106712), (8, 80034), (12, 53356), (16, 40017), (24, 26678), (48, 13339)]