3121720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11149}}^1$

素因数の和:11167

約数の個数: 32

約数和(自身を含む): 8028000

約数和(自身を除く): 4906280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 11149, 22298, 44596, 55745, 78043, 89192, 111490, 156086, 222980, 312172, 390215, 445960, 624344, 780430, 1560860, 3121720]

約数ペア:

[(1, 3121720), (2, 1560860), (4, 780430), (5, 624344), (7, 445960), (8, 390215), (10, 312172), (14, 222980), (20, 156086), (28, 111490), (35, 89192), (40, 78043), (56, 55745), (70, 44596), (140, 22298), (280, 11149)]