8721390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4339}}^1$

素因数の和:4416

約数の個数: 32

約数和(自身を含む): 21248640

約数和(自身を除く): 12527250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 4339, 8678, 13017, 21695, 26034, 43390, 65085, 130170, 290713, 581426, 872139, 1453565, 1744278, 2907130, 4360695, 8721390]

約数ペア:

[(1, 8721390), (2, 4360695), (3, 2907130), (5, 1744278), (6, 1453565), (10, 872139), (15, 581426), (30, 290713), (67, 130170), (134, 65085), (201, 43390), (335, 26034), (402, 21695), (670, 13017), (1005, 8678), (2010, 4339)]