257713920

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{7457}}^1$

素因数の和:7487

約数の個数: 144

約数和(自身を含む): 914649120

約数和(自身を除く): 656935200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 7457, 8640, 11520, 14914, 17280, 22371, 29828, 34560, 37285, 44742, 59656, 67113, 74570, 89484, 111855, 119312, 134226, 149140, 178968, 201339, 223710, 238624, 268452, 298280, 335565, 357936, 402678, 447420, 477248, 536904, 596560, 671130, 715872, 805356, 894840, 954496, 1006695, 1073808, 1193120, 1342260, 1431744, 1610712, 1789680, 1908992, 2013390, 2147616, 2386240, 2684520, 2863488, 3221424, 3579360, 4026780, 4295232, 4772480, 5369040, 5726976, 6442848, 7158720, 8053560, 8590464, 9544960, 10738080, 12885696, 14317440, 16107120, 17180928, 21476160, 25771392, 28634880, 32214240, 42952320, 51542784, 64428480, 85904640, 128856960, 257713920]

約数ペア:

[(1, 257713920), (2, 128856960), (3, 85904640), (4, 64428480), (5, 51542784), (6, 42952320), (8, 32214240), (9, 28634880), (10, 25771392), (12, 21476160), (15, 17180928), (16, 16107120), (18, 14317440), (20, 12885696), (24, 10738080), (27, 9544960), (30, 8590464), (32, 8053560), (36, 7158720), (40, 6442848), (45, 5726976), (48, 5369040), (54, 4772480), (60, 4295232), (64, 4026780), (72, 3579360), (80, 3221424), (90, 2863488), (96, 2684520), (108, 2386240), (120, 2147616), (128, 2013390), (135, 1908992), (144, 1789680), (160, 1610712), (180, 1431744), (192, 1342260), (216, 1193120), (240, 1073808), (256, 1006695), (270, 954496), (288, 894840), (320, 805356), (360, 715872), (384, 671130), (432, 596560), (480, 536904), (540, 477248), (576, 447420), (640, 402678), (720, 357936), (768, 335565), (864, 298280), (960, 268452), (1080, 238624), (1152, 223710), (1280, 201339), (1440, 178968), (1728, 149140), (1920, 134226), (2160, 119312), (2304, 111855), (2880, 89484), (3456, 74570), (3840, 67113), (4320, 59656), (5760, 44742), (6912, 37285), (7457, 34560), (8640, 29828), (11520, 22371), (14914, 17280)]