78001860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1300031}}^1$

素因数の和:1300043

約数の個数: 24

約数和(自身を含む): 218405376

約数和(自身を除く): 140403516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1300031, 2600062, 3900093, 5200124, 6500155, 7800186, 13000310, 15600372, 19500465, 26000620, 39000930, 78001860]

約数ペア:

[(1, 78001860), (2, 39000930), (3, 26000620), (4, 19500465), (5, 15600372), (6, 13000310), (10, 7800186), (12, 6500155), (15, 5200124), (20, 3900093), (30, 2600062), (60, 1300031)]