320170060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{20981}}^1$

素因数の和:21106

約数の個数: 48

約数和(自身を含む): 775494720

約数和(自身を除く): 455324660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 20981, 41962, 83924, 104905, 146867, 209810, 293734, 419620, 587468, 734335, 1468670, 2286929, 2937340, 4573858, 9147716, 11434645, 16008503, 22869290, 32017006, 45738580, 64034012, 80042515, 160085030, 320170060]

約数ペア:

[(1, 320170060), (2, 160085030), (4, 80042515), (5, 64034012), (7, 45738580), (10, 32017006), (14, 22869290), (20, 16008503), (28, 11434645), (35, 9147716), (70, 4573858), (109, 2937340), (140, 2286929), (218, 1468670), (436, 734335), (545, 587468), (763, 419620), (1090, 293734), (1526, 209810), (2180, 146867), (3052, 104905), (3815, 83924), (7630, 41962), (15260, 20981)]