81373728

素因数分解:

$2^5\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5399}}^1$

素因数の和:5569

約数の個数: 48

約数和(自身を含む): 215006400

約数和(自身を除く): 133632672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 157, 314, 471, 628, 942, 1256, 1884, 2512, 3768, 5024, 5399, 7536, 10798, 15072, 16197, 21596, 32394, 43192, 64788, 86384, 129576, 172768, 259152, 518304, 847643, 1695286, 2542929, 3390572, 5085858, 6781144, 10171716, 13562288, 20343432, 27124576, 40686864, 81373728]

約数ペア:

[(1, 81373728), (2, 40686864), (3, 27124576), (4, 20343432), (6, 13562288), (8, 10171716), (12, 6781144), (16, 5085858), (24, 3390572), (32, 2542929), (48, 1695286), (96, 847643), (157, 518304), (314, 259152), (471, 172768), (628, 129576), (942, 86384), (1256, 64788), (1884, 43192), (2512, 32394), (3768, 21596), (5024, 16197), (5399, 15072), (7536, 10798)]