264040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 64

約数和(自身を含む): 725760

約数和(自身を除く): 461720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 41, 46, 56, 70, 82, 92, 115, 140, 161, 164, 184, 205, 230, 280, 287, 322, 328, 410, 460, 574, 644, 805, 820, 920, 943, 1148, 1288, 1435, 1610, 1640, 1886, 2296, 2870, 3220, 3772, 4715, 5740, 6440, 6601, 7544, 9430, 11480, 13202, 18860, 26404, 33005, 37720, 52808, 66010, 132020, 264040]

約数ペア:

[(1, 264040), (2, 132020), (4, 66010), (5, 52808), (7, 37720), (8, 33005), (10, 26404), (14, 18860), (20, 13202), (23, 11480), (28, 9430), (35, 7544), (40, 6601), (41, 6440), (46, 5740), (56, 4715), (70, 3772), (82, 3220), (92, 2870), (115, 2296), (140, 1886), (161, 1640), (164, 1610), (184, 1435), (205, 1288), (230, 1148), (280, 943), (287, 920), (322, 820), (328, 805), (410, 644), (460, 574)]