78640440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{655337}}^1$

素因数の和:655351

約数の個数: 32

約数和(自身を含む): 235921680

約数和(自身を除く): 157281240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 655337, 1310674, 1966011, 2621348, 3276685, 3932022, 5242696, 6553370, 7864044, 9830055, 13106740, 15728088, 19660110, 26213480, 39320220, 78640440]

約数ペア:

[(1, 78640440), (2, 39320220), (3, 26213480), (4, 19660110), (5, 15728088), (6, 13106740), (8, 9830055), (10, 7864044), (12, 6553370), (15, 5242696), (20, 3932022), (24, 3276685), (30, 2621348), (40, 1966011), (60, 1310674), (120, 655337)]