78845640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657047}}^1$

素因数の和:657061

約数の個数: 32

約数和(自身を含む): 236537280

約数和(自身を除く): 157691640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657047, 1314094, 1971141, 2628188, 3285235, 3942282, 5256376, 6570470, 7884564, 9855705, 13140940, 15769128, 19711410, 26281880, 39422820, 78845640]

約数ペア:

[(1, 78845640), (2, 39422820), (3, 26281880), (4, 19711410), (5, 15769128), (6, 13140940), (8, 9855705), (10, 7884564), (12, 6570470), (15, 5256376), (20, 3942282), (24, 3285235), (30, 2628188), (40, 1971141), (60, 1314094), (120, 657047)]