2215640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 5866560

約数和(自身を除く): 3650920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 193, 205, 280, 287, 328, 386, 410, 574, 772, 820, 965, 1148, 1351, 1435, 1544, 1640, 1930, 2296, 2702, 2870, 3860, 5404, 5740, 6755, 7720, 7913, 10808, 11480, 13510, 15826, 27020, 31652, 39565, 54040, 55391, 63304, 79130, 110782, 158260, 221564, 276955, 316520, 443128, 553910, 1107820, 2215640]

約数ペア:

[(1, 2215640), (2, 1107820), (4, 553910), (5, 443128), (7, 316520), (8, 276955), (10, 221564), (14, 158260), (20, 110782), (28, 79130), (35, 63304), (40, 55391), (41, 54040), (56, 39565), (70, 31652), (82, 27020), (140, 15826), (164, 13510), (193, 11480), (205, 10808), (280, 7913), (287, 7720), (328, 6755), (386, 5740), (410, 5404), (574, 3860), (772, 2870), (820, 2702), (965, 2296), (1148, 1930), (1351, 1640), (1435, 1544)]