78886620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438259}}^1$

素因数の和:438274

約数の個数: 36

約数和(自身を含む): 239289960

約数和(自身を除く): 160403340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438259, 876518, 1314777, 1753036, 2191295, 2629554, 3944331, 4382590, 5259108, 6573885, 7888662, 8765180, 13147770, 15777324, 19721655, 26295540, 39443310, 78886620]

約数ペア:

[(1, 78886620), (2, 39443310), (3, 26295540), (4, 19721655), (5, 15777324), (6, 13147770), (9, 8765180), (10, 7888662), (12, 6573885), (15, 5259108), (18, 4382590), (20, 3944331), (30, 2629554), (36, 2191295), (45, 1753036), (60, 1314777), (90, 876518), (180, 438259)]