1428800

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:88

約数の個数: 84

約数和(自身を含む): 3779520

約数和(自身を除く): 2350720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 47, 50, 64, 76, 80, 94, 95, 100, 152, 160, 188, 190, 200, 235, 304, 320, 376, 380, 400, 470, 475, 608, 752, 760, 800, 893, 940, 950, 1175, 1216, 1504, 1520, 1600, 1786, 1880, 1900, 2350, 3008, 3040, 3572, 3760, 3800, 4465, 4700, 6080, 7144, 7520, 7600, 8930, 9400, 14288, 15040, 15200, 17860, 18800, 22325, 28576, 30400, 35720, 37600, 44650, 57152, 71440, 75200, 89300, 142880, 178600, 285760, 357200, 714400, 1428800]

約数ペア:

[(1, 1428800), (2, 714400), (4, 357200), (5, 285760), (8, 178600), (10, 142880), (16, 89300), (19, 75200), (20, 71440), (25, 57152), (32, 44650), (38, 37600), (40, 35720), (47, 30400), (50, 28576), (64, 22325), (76, 18800), (80, 17860), (94, 15200), (95, 15040), (100, 14288), (152, 9400), (160, 8930), (188, 7600), (190, 7520), (200, 7144), (235, 6080), (304, 4700), (320, 4465), (376, 3800), (380, 3760), (400, 3572), (470, 3040), (475, 3008), (608, 2350), (752, 1900), (760, 1880), (800, 1786), (893, 1600), (940, 1520), (950, 1504), (1175, 1216)]