78881640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657347}}^1$

素因数の和:657361

約数の個数: 32

約数和(自身を含む): 236645280

約数和(自身を除く): 157763640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657347, 1314694, 1972041, 2629388, 3286735, 3944082, 5258776, 6573470, 7888164, 9860205, 13146940, 15776328, 19720410, 26293880, 39440820, 78881640]

約数ペア:

[(1, 78881640), (2, 39440820), (3, 26293880), (4, 19720410), (5, 15776328), (6, 13146940), (8, 9860205), (10, 7888164), (12, 6573470), (15, 5258776), (20, 3944082), (24, 3286735), (30, 2629388), (40, 1972041), (60, 1314694), (120, 657347)]