320070128

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{77237}}^1$

素因数の和:77289

約数の個数: 40

約数和(自身を含む): 727890912

約数和(自身を除く): 407820784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 77237, 154474, 308948, 540659, 617896, 1081318, 1235792, 2162636, 2857769, 4325272, 5715538, 8650544, 11431076, 20004383, 22862152, 40008766, 45724304, 80017532, 160035064, 320070128]

約数ペア:

[(1, 320070128), (2, 160035064), (4, 80017532), (7, 45724304), (8, 40008766), (14, 22862152), (16, 20004383), (28, 11431076), (37, 8650544), (56, 5715538), (74, 4325272), (112, 2857769), (148, 2162636), (259, 1235792), (296, 1081318), (518, 617896), (592, 540659), (1036, 308948), (2072, 154474), (4144, 77237)]