320120004

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{720991}}^1$

素因数の和:721035

約数の個数: 24

約数和(自身を含む): 767135488

約数和(自身を除く): 447015484

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 720991, 1441982, 2162973, 2883964, 4325946, 8651892, 26676667, 53353334, 80030001, 106706668, 160060002, 320120004]

約数ペア:

[(1, 320120004), (2, 160060002), (3, 106706668), (4, 80030001), (6, 53353334), (12, 26676667), (37, 8651892), (74, 4325946), (111, 2883964), (148, 2162973), (222, 1441982), (444, 720991)]