78760680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1559}}^1$

素因数の和:1994

約数の個数: 64

約数和(自身を含む): 236995200

約数和(自身を除く): 158234520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1559, 1684, 2105, 2526, 3118, 3368, 4210, 4677, 5052, 6236, 6315, 7795, 8420, 9354, 10104, 12472, 12630, 15590, 16840, 18708, 23385, 25260, 31180, 37416, 46770, 50520, 62360, 93540, 187080, 656339, 1312678, 1969017, 2625356, 3281695, 3938034, 5250712, 6563390, 7876068, 9845085, 13126780, 15752136, 19690170, 26253560, 39380340, 78760680]

約数ペア:

[(1, 78760680), (2, 39380340), (3, 26253560), (4, 19690170), (5, 15752136), (6, 13126780), (8, 9845085), (10, 7876068), (12, 6563390), (15, 5250712), (20, 3938034), (24, 3281695), (30, 2625356), (40, 1969017), (60, 1312678), (120, 656339), (421, 187080), (842, 93540), (1263, 62360), (1559, 50520), (1684, 46770), (2105, 37416), (2526, 31180), (3118, 25260), (3368, 23385), (4210, 18708), (4677, 16840), (5052, 15590), (6236, 12630), (6315, 12472), (7795, 10104), (8420, 9354)]