123325480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181361}}^1$

素因数の和:181389

約数の個数: 32

約数和(自身を含む): 293806440

約数和(自身を除く): 170480960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 181361, 362722, 725444, 906805, 1450888, 1813610, 3083137, 3627220, 6166274, 7254440, 12332548, 15415685, 24665096, 30831370, 61662740, 123325480]

約数ペア:

[(1, 123325480), (2, 61662740), (4, 30831370), (5, 24665096), (8, 15415685), (10, 12332548), (17, 7254440), (20, 6166274), (34, 3627220), (40, 3083137), (68, 1813610), (85, 1450888), (136, 906805), (170, 725444), (340, 362722), (680, 181361)]