320781360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1336589}}^1$

素因数の和:1336605

約数の個数: 40

約数和(自身を含む): 994422960

約数和(自身を除く): 673641600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1336589, 2673178, 4009767, 5346356, 6682945, 8019534, 10692712, 13365890, 16039068, 20048835, 21385424, 26731780, 32078136, 40097670, 53463560, 64156272, 80195340, 106927120, 160390680, 320781360]

約数ペア:

[(1, 320781360), (2, 160390680), (3, 106927120), (4, 80195340), (5, 64156272), (6, 53463560), (8, 40097670), (10, 32078136), (12, 26731780), (15, 21385424), (16, 20048835), (20, 16039068), (24, 13365890), (30, 10692712), (40, 8019534), (48, 6682945), (60, 5346356), (80, 4009767), (120, 2673178), (240, 1336589)]