138170880

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{1999}}^1$

素因数の和:2031

約数の個数: 160

約数和(自身を含む): 491040000

約数和(自身を除く): 352869120

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, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 1999, 2160, 2304, 2560, 2880, 3456, 3840, 3998, 4320, 4608, 5760, 5997, 6912, 7680, 7996, 8640, 9995, 11520, 11994, 13824, 15992, 17280, 17991, 19990, 23040, 23988, 29985, 31984, 34560, 35982, 39980, 47976, 53973, 59970, 63968, 69120, 71964, 79960, 89955, 95952, 107946, 119940, 127936, 143928, 159920, 179910, 191904, 215892, 239880, 255872, 269865, 287856, 319840, 359820, 383808, 431784, 479760, 511744, 539730, 575712, 639680, 719640, 767616, 863568, 959520, 1023488, 1079460, 1151424, 1279360, 1439280, 1535232, 1727136, 1919040, 2158920, 2302848, 2558720, 2878560, 3070464, 3454272, 3838080, 4317840, 4605696, 5117440, 5757120, 6908544, 7676160, 8635680, 9211392, 11514240, 13817088, 15352320, 17271360, 23028480, 27634176, 34542720, 46056960, 69085440, 138170880]

約数ペア:

[(1, 138170880), (2, 69085440), (3, 46056960), (4, 34542720), (5, 27634176), (6, 23028480), (8, 17271360), (9, 15352320), (10, 13817088), (12, 11514240), (15, 9211392), (16, 8635680), (18, 7676160), (20, 6908544), (24, 5757120), (27, 5117440), (30, 4605696), (32, 4317840), (36, 3838080), (40, 3454272), (45, 3070464), (48, 2878560), (54, 2558720), (60, 2302848), (64, 2158920), (72, 1919040), (80, 1727136), (90, 1535232), (96, 1439280), (108, 1279360), (120, 1151424), (128, 1079460), (135, 1023488), (144, 959520), (160, 863568), (180, 767616), (192, 719640), (216, 639680), (240, 575712), (256, 539730), (270, 511744), (288, 479760), (320, 431784), (360, 383808), (384, 359820), (432, 319840), (480, 287856), (512, 269865), (540, 255872), (576, 239880), (640, 215892), (720, 191904), (768, 179910), (864, 159920), (960, 143928), (1080, 127936), (1152, 119940), (1280, 107946), (1440, 95952), (1536, 89955), (1728, 79960), (1920, 71964), (1999, 69120), (2160, 63968), (2304, 59970), (2560, 53973), (2880, 47976), (3456, 39980), (3840, 35982), (3998, 34560), (4320, 31984), (4608, 29985), (5760, 23988), (5997, 23040), (6912, 19990), (7680, 17991), (7996, 17280), (8640, 15992), (9995, 13824), (11520, 11994)]