1200560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 2864400

約数和(自身を除く): 1663840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 349, 430, 688, 698, 860, 1396, 1720, 1745, 2792, 3440, 3490, 5584, 6980, 13960, 15007, 27920, 30014, 60028, 75035, 120056, 150070, 240112, 300140, 600280, 1200560]

約数ペア:

[(1, 1200560), (2, 600280), (4, 300140), (5, 240112), (8, 150070), (10, 120056), (16, 75035), (20, 60028), (40, 30014), (43, 27920), (80, 15007), (86, 13960), (172, 6980), (215, 5584), (344, 3490), (349, 3440), (430, 2792), (688, 1745), (698, 1720), (860, 1396)]