164838400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 132

約数和(自身を含む): 420339168

約数和(自身を除く): 255500768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 64, 80, 94, 100, 128, 137, 160, 188, 200, 235, 256, 274, 320, 376, 400, 470, 512, 548, 640, 685, 752, 800, 940, 1024, 1096, 1175, 1280, 1370, 1504, 1600, 1880, 2192, 2350, 2560, 2740, 3008, 3200, 3425, 3760, 4384, 4700, 5120, 5480, 6016, 6400, 6439, 6850, 7520, 8768, 9400, 10960, 12032, 12800, 12878, 13700, 15040, 17536, 18800, 21920, 24064, 25600, 25756, 27400, 30080, 32195, 35072, 37600, 43840, 48128, 51512, 54800, 60160, 64390, 70144, 75200, 87680, 103024, 109600, 120320, 128780, 140288, 150400, 160975, 175360, 206048, 219200, 240640, 257560, 300800, 321950, 350720, 412096, 438400, 515120, 601600, 643900, 701440, 824192, 876800, 1030240, 1203200, 1287800, 1648384, 1753600, 2060480, 2575600, 3296768, 3507200, 4120960, 5151200, 6593536, 8241920, 10302400, 16483840, 20604800, 32967680, 41209600, 82419200, 164838400]

約数ペア:

[(1, 164838400), (2, 82419200), (4, 41209600), (5, 32967680), (8, 20604800), (10, 16483840), (16, 10302400), (20, 8241920), (25, 6593536), (32, 5151200), (40, 4120960), (47, 3507200), (50, 3296768), (64, 2575600), (80, 2060480), (94, 1753600), (100, 1648384), (128, 1287800), (137, 1203200), (160, 1030240), (188, 876800), (200, 824192), (235, 701440), (256, 643900), (274, 601600), (320, 515120), (376, 438400), (400, 412096), (470, 350720), (512, 321950), (548, 300800), (640, 257560), (685, 240640), (752, 219200), (800, 206048), (940, 175360), (1024, 160975), (1096, 150400), (1175, 140288), (1280, 128780), (1370, 120320), (1504, 109600), (1600, 103024), (1880, 87680), (2192, 75200), (2350, 70144), (2560, 64390), (2740, 60160), (3008, 54800), (3200, 51512), (3425, 48128), (3760, 43840), (4384, 37600), (4700, 35072), (5120, 32195), (5480, 30080), (6016, 27400), (6400, 25756), (6439, 25600), (6850, 24064), (7520, 21920), (8768, 18800), (9400, 17536), (10960, 15040), (12032, 13700), (12800, 12878)]