321575840

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4127}}^1$

素因数の和:4629

約数の個数: 48

約数和(自身を含む): 761467392

約数和(自身を除く): 439891552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1948, 2435, 3896, 4127, 4870, 7792, 8254, 9740, 15584, 16508, 19480, 20635, 33016, 38960, 41270, 66032, 77920, 82540, 132064, 165080, 330160, 660320, 2009849, 4019698, 8039396, 10049245, 16078792, 20098490, 32157584, 40196980, 64315168, 80393960, 160787920, 321575840]

約数ペア:

[(1, 321575840), (2, 160787920), (4, 80393960), (5, 64315168), (8, 40196980), (10, 32157584), (16, 20098490), (20, 16078792), (32, 10049245), (40, 8039396), (80, 4019698), (160, 2009849), (487, 660320), (974, 330160), (1948, 165080), (2435, 132064), (3896, 82540), (4127, 77920), (4870, 66032), (7792, 41270), (8254, 38960), (9740, 33016), (15584, 20635), (16508, 19480)]