21945600

素因数分解:

$2^8\times 3^3\times 5^2\times {\mathrm{127}}^1$

素因数の和:162

約数の個数: 216

約数和(自身を含む): 81105920

約数和(自身を除く): 59160320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 127, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 254, 256, 270, 288, 300, 320, 360, 381, 384, 400, 432, 450, 480, 508, 540, 576, 600, 635, 640, 675, 720, 762, 768, 800, 864, 900, 960, 1016, 1080, 1143, 1152, 1200, 1270, 1280, 1350, 1440, 1524, 1600, 1728, 1800, 1905, 1920, 2032, 2160, 2286, 2304, 2400, 2540, 2700, 2880, 3048, 3175, 3200, 3429, 3456, 3600, 3810, 3840, 4064, 4320, 4572, 4800, 5080, 5400, 5715, 5760, 6096, 6350, 6400, 6858, 6912, 7200, 7620, 8128, 8640, 9144, 9525, 9600, 10160, 10800, 11430, 11520, 12192, 12700, 13716, 14400, 15240, 16256, 17145, 17280, 18288, 19050, 19200, 20320, 21600, 22860, 24384, 25400, 27432, 28575, 28800, 30480, 32512, 34290, 34560, 36576, 38100, 40640, 43200, 45720, 48768, 50800, 54864, 57150, 57600, 60960, 68580, 73152, 76200, 81280, 85725, 86400, 91440, 97536, 101600, 109728, 114300, 121920, 137160, 146304, 152400, 162560, 171450, 172800, 182880, 203200, 219456, 228600, 243840, 274320, 292608, 304800, 342900, 365760, 406400, 438912, 457200, 487680, 548640, 609600, 685800, 731520, 812800, 877824, 914400, 1097280, 1219200, 1371600, 1463040, 1828800, 2194560, 2438400, 2743200, 3657600, 4389120, 5486400, 7315200, 10972800, 21945600]

約数ペア:

[(1, 21945600), (2, 10972800), (3, 7315200), (4, 5486400), (5, 4389120), (6, 3657600), (8, 2743200), (9, 2438400), (10, 2194560), (12, 1828800), (15, 1463040), (16, 1371600), (18, 1219200), (20, 1097280), (24, 914400), (25, 877824), (27, 812800), (30, 731520), (32, 685800), (36, 609600), (40, 548640), (45, 487680), (48, 457200), (50, 438912), (54, 406400), (60, 365760), (64, 342900), (72, 304800), (75, 292608), (80, 274320), (90, 243840), (96, 228600), (100, 219456), (108, 203200), (120, 182880), (127, 172800), (128, 171450), (135, 162560), (144, 152400), (150, 146304), (160, 137160), (180, 121920), (192, 114300), (200, 109728), (216, 101600), (225, 97536), (240, 91440), (254, 86400), (256, 85725), (270, 81280), (288, 76200), (300, 73152), (320, 68580), (360, 60960), (381, 57600), (384, 57150), (400, 54864), (432, 50800), (450, 48768), (480, 45720), (508, 43200), (540, 40640), (576, 38100), (600, 36576), (635, 34560), (640, 34290), (675, 32512), (720, 30480), (762, 28800), (768, 28575), (800, 27432), (864, 25400), (900, 24384), (960, 22860), (1016, 21600), (1080, 20320), (1143, 19200), (1152, 19050), (1200, 18288), (1270, 17280), (1280, 17145), (1350, 16256), (1440, 15240), (1524, 14400), (1600, 13716), (1728, 12700), (1800, 12192), (1905, 11520), (1920, 11430), (2032, 10800), (2160, 10160), (2286, 9600), (2304, 9525), (2400, 9144), (2540, 8640), (2700, 8128), (2880, 7620), (3048, 7200), (3175, 6912), (3200, 6858), (3429, 6400), (3456, 6350), (3600, 6096), (3810, 5760), (3840, 5715), (4064, 5400), (4320, 5080), (4572, 4800)]