68273240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2237}}^1$

素因数の和:2364

約数の個数: 64

約数和(自身を含む): 177249600

約数和(自身を除く): 108976360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2237, 3052, 3815, 4360, 4474, 6104, 7630, 8948, 11185, 15260, 15659, 17896, 22370, 30520, 31318, 44740, 62636, 78295, 89480, 125272, 156590, 243833, 313180, 487666, 626360, 975332, 1219165, 1706831, 1950664, 2438330, 3413662, 4876660, 6827324, 8534155, 9753320, 13654648, 17068310, 34136620, 68273240]

約数ペア:

[(1, 68273240), (2, 34136620), (4, 17068310), (5, 13654648), (7, 9753320), (8, 8534155), (10, 6827324), (14, 4876660), (20, 3413662), (28, 2438330), (35, 1950664), (40, 1706831), (56, 1219165), (70, 975332), (109, 626360), (140, 487666), (218, 313180), (280, 243833), (436, 156590), (545, 125272), (763, 89480), (872, 78295), (1090, 62636), (1526, 44740), (2180, 31318), (2237, 30520), (3052, 22370), (3815, 17896), (4360, 15659), (4474, 15260), (6104, 11185), (7630, 8948)]