256409568

素因数分解:

$2^5\times 3^2\times {\mathrm{577}}^1\times {\mathrm{1543}}^1$

素因数の和:2136

約数の個数: 72

約数和(自身を含む): 730901808

約数和(自身を除く): 474492240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 577, 1154, 1543, 1731, 2308, 3086, 3462, 4616, 4629, 5193, 6172, 6924, 9232, 9258, 10386, 12344, 13848, 13887, 18464, 18516, 20772, 24688, 27696, 27774, 37032, 41544, 49376, 55392, 55548, 74064, 83088, 111096, 148128, 166176, 222192, 444384, 890311, 1780622, 2670933, 3561244, 5341866, 7122488, 8012799, 10683732, 14244976, 16025598, 21367464, 28489952, 32051196, 42734928, 64102392, 85469856, 128204784, 256409568]

約数ペア:

[(1, 256409568), (2, 128204784), (3, 85469856), (4, 64102392), (6, 42734928), (8, 32051196), (9, 28489952), (12, 21367464), (16, 16025598), (18, 14244976), (24, 10683732), (32, 8012799), (36, 7122488), (48, 5341866), (72, 3561244), (96, 2670933), (144, 1780622), (288, 890311), (577, 444384), (1154, 222192), (1543, 166176), (1731, 148128), (2308, 111096), (3086, 83088), (3462, 74064), (4616, 55548), (4629, 55392), (5193, 49376), (6172, 41544), (6924, 37032), (9232, 27774), (9258, 27696), (10386, 24688), (12344, 20772), (13848, 18516), (13887, 18464)]