1362880

素因数分解:

$2^6\times 5^1\times {\mathrm{4259}}^1$

素因数の和:4276

約数の個数: 28

約数和(自身を含む): 3246120

約数和(自身を除く): 1883240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4259, 8518, 17036, 21295, 34072, 42590, 68144, 85180, 136288, 170360, 272576, 340720, 681440, 1362880]

約数ペア:

[(1, 1362880), (2, 681440), (4, 340720), (5, 272576), (8, 170360), (10, 136288), (16, 85180), (20, 68144), (32, 42590), (40, 34072), (64, 21295), (80, 17036), (160, 8518), (320, 4259)]