164388800

素因数分解:

$2^6\times 5^2\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:958

約数の個数: 84

約数和(自身を含む): 408188160

約数和(自身を除く): 243799360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 160, 200, 254, 320, 400, 508, 635, 800, 809, 1016, 1270, 1600, 1618, 2032, 2540, 3175, 3236, 4045, 4064, 5080, 6350, 6472, 8090, 8128, 10160, 12700, 12944, 16180, 20225, 20320, 25400, 25888, 32360, 40450, 40640, 50800, 51776, 64720, 80900, 101600, 102743, 129440, 161800, 203200, 205486, 258880, 323600, 410972, 513715, 647200, 821944, 1027430, 1294400, 1643888, 2054860, 2568575, 3287776, 4109720, 5137150, 6575552, 8219440, 10274300, 16438880, 20548600, 32877760, 41097200, 82194400, 164388800]

約数ペア:

[(1, 164388800), (2, 82194400), (4, 41097200), (5, 32877760), (8, 20548600), (10, 16438880), (16, 10274300), (20, 8219440), (25, 6575552), (32, 5137150), (40, 4109720), (50, 3287776), (64, 2568575), (80, 2054860), (100, 1643888), (127, 1294400), (160, 1027430), (200, 821944), (254, 647200), (320, 513715), (400, 410972), (508, 323600), (635, 258880), (800, 205486), (809, 203200), (1016, 161800), (1270, 129440), (1600, 102743), (1618, 101600), (2032, 80900), (2540, 64720), (3175, 51776), (3236, 50800), (4045, 40640), (4064, 40450), (5080, 32360), (6350, 25888), (6472, 25400), (8090, 20320), (8128, 20225), (10160, 16180), (12700, 12944)]