121705280

素因数分解:

$2^6\times 5^1\times {\mathrm{380329}}^1$

素因数の和:380346

約数の個数: 28

約数和(自身を含む): 289811460

約数和(自身を除く): 168106180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 380329, 760658, 1521316, 1901645, 3042632, 3803290, 6085264, 7606580, 12170528, 15213160, 24341056, 30426320, 60852640, 121705280]

約数ペア:

[(1, 121705280), (2, 60852640), (4, 30426320), (5, 24341056), (8, 15213160), (10, 12170528), (16, 7606580), (20, 6085264), (32, 3803290), (40, 3042632), (64, 1901645), (80, 1521316), (160, 760658), (320, 380329)]