30486280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 75427200

約数和(自身を除く): 44940920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 193, 220, 359, 386, 440, 718, 772, 965, 1436, 1544, 1795, 1930, 2123, 2872, 3590, 3860, 3949, 4246, 7180, 7720, 7898, 8492, 10615, 14360, 15796, 16984, 19745, 21230, 31592, 39490, 42460, 69287, 78980, 84920, 138574, 157960, 277148, 346435, 554296, 692870, 762157, 1385740, 1524314, 2771480, 3048628, 3810785, 6097256, 7621570, 15243140, 30486280]

約数ペア:

[(1, 30486280), (2, 15243140), (4, 7621570), (5, 6097256), (8, 3810785), (10, 3048628), (11, 2771480), (20, 1524314), (22, 1385740), (40, 762157), (44, 692870), (55, 554296), (88, 346435), (110, 277148), (193, 157960), (220, 138574), (359, 84920), (386, 78980), (440, 69287), (718, 42460), (772, 39490), (965, 31592), (1436, 21230), (1544, 19745), (1795, 16984), (1930, 15796), (2123, 14360), (2872, 10615), (3590, 8492), (3860, 7898), (3949, 7720), (4246, 7180)]