68284720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121937}}^1$

素因数の和:121957

約数の個数: 40

約数和(自身を含む): 181443744

約数和(自身を除く): 113159024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121937, 243874, 487748, 609685, 853559, 975496, 1219370, 1707118, 1950992, 2438740, 3414236, 4267795, 4877480, 6828472, 8535590, 9754960, 13656944, 17071180, 34142360, 68284720]

約数ペア:

[(1, 68284720), (2, 34142360), (4, 17071180), (5, 13656944), (7, 9754960), (8, 8535590), (10, 6828472), (14, 4877480), (16, 4267795), (20, 3414236), (28, 2438740), (35, 1950992), (40, 1707118), (56, 1219370), (70, 975496), (80, 853559), (112, 609685), (140, 487748), (280, 243874), (560, 121937)]