68916680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{246131}}^1$

素因数の和:246149

約数の個数: 32

約数和(自身を含む): 177215040

約数和(自身を除く): 108298360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 246131, 492262, 984524, 1230655, 1722917, 1969048, 2461310, 3445834, 4922620, 6891668, 8614585, 9845240, 13783336, 17229170, 34458340, 68916680]

約数ペア:

[(1, 68916680), (2, 34458340), (4, 17229170), (5, 13783336), (7, 9845240), (8, 8614585), (10, 6891668), (14, 4922620), (20, 3445834), (28, 2461310), (35, 1969048), (40, 1722917), (56, 1230655), (70, 984524), (140, 492262), (280, 246131)]