30121480

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4987}}^1$

素因数の和:5149

約数の個数: 32

約数和(自身を含む): 68235840

約数和(自身を除く): 38114360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 4987, 6040, 9974, 19948, 24935, 39896, 49870, 99740, 199480, 753037, 1506074, 3012148, 3765185, 6024296, 7530370, 15060740, 30121480]

約数ペア:

[(1, 30121480), (2, 15060740), (4, 7530370), (5, 6024296), (8, 3765185), (10, 3012148), (20, 1506074), (40, 753037), (151, 199480), (302, 99740), (604, 49870), (755, 39896), (1208, 24935), (1510, 19948), (3020, 9974), (4987, 6040)]