661772160

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{5471}}^1$

素因数の和:5506

約数の個数: 256

約数和(自身を含む): 2679091200

約数和(自身を除く): 2017319040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5471, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 10942, 12096, 13440, 15120, 16413, 17280, 20160, 21884, 24192, 27355, 30240, 32826, 38297, 40320, 43768, 49239, 54710, 60480, 65652, 76594, 82065, 87536, 98478, 109420, 114891, 120960, 131304, 147717, 153188, 164130, 175072, 191485, 196956, 218840, 229782, 246195, 262608, 295434, 306376, 328260, 344673, 350144, 382970, 393912, 437680, 459564, 492390, 525216, 574455, 590868, 612752, 656520, 689346, 700288, 738585, 765940, 787824, 875360, 919128, 984780, 1034019, 1050432, 1148910, 1181736, 1225504, 1313040, 1378692, 1477170, 1531880, 1575648, 1723365, 1750720, 1838256, 1969560, 2068038, 2100864, 2297820, 2363472, 2451008, 2626080, 2757384, 2954340, 3063760, 3151296, 3446730, 3501440, 3676512, 3939120, 4136076, 4595640, 4726944, 4902016, 5170095, 5252160, 5514768, 5908680, 6127520, 6302592, 6893460, 7353024, 7878240, 8272152, 9191280, 9453888, 10340190, 10504320, 11029536, 11817360, 12255040, 13786920, 14706048, 15756480, 16544304, 18382560, 18907776, 20680380, 22059072, 23634720, 24510080, 27573840, 31512960, 33088608, 36765120, 41360760, 44118144, 47269440, 55147680, 66177216, 73530240, 82721520, 94538880, 110295360, 132354432, 165443040, 220590720, 330886080, 661772160]

約数ペア:

[(1, 661772160), (2, 330886080), (3, 220590720), (4, 165443040), (5, 132354432), (6, 110295360), (7, 94538880), (8, 82721520), (9, 73530240), (10, 66177216), (12, 55147680), (14, 47269440), (15, 44118144), (16, 41360760), (18, 36765120), (20, 33088608), (21, 31512960), (24, 27573840), (27, 24510080), (28, 23634720), (30, 22059072), (32, 20680380), (35, 18907776), (36, 18382560), (40, 16544304), (42, 15756480), (45, 14706048), (48, 13786920), (54, 12255040), (56, 11817360), (60, 11029536), (63, 10504320), (64, 10340190), (70, 9453888), (72, 9191280), (80, 8272152), (84, 7878240), (90, 7353024), (96, 6893460), (105, 6302592), (108, 6127520), (112, 5908680), (120, 5514768), (126, 5252160), (128, 5170095), (135, 4902016), (140, 4726944), (144, 4595640), (160, 4136076), (168, 3939120), (180, 3676512), (189, 3501440), (192, 3446730), (210, 3151296), (216, 3063760), (224, 2954340), (240, 2757384), (252, 2626080), (270, 2451008), (280, 2363472), (288, 2297820), (315, 2100864), (320, 2068038), (336, 1969560), (360, 1838256), (378, 1750720), (384, 1723365), (420, 1575648), (432, 1531880), (448, 1477170), (480, 1378692), (504, 1313040), (540, 1225504), (560, 1181736), (576, 1148910), (630, 1050432), (640, 1034019), (672, 984780), (720, 919128), (756, 875360), (840, 787824), (864, 765940), (896, 738585), (945, 700288), (960, 689346), (1008, 656520), (1080, 612752), (1120, 590868), (1152, 574455), (1260, 525216), (1344, 492390), (1440, 459564), (1512, 437680), (1680, 393912), (1728, 382970), (1890, 350144), (1920, 344673), (2016, 328260), (2160, 306376), (2240, 295434), (2520, 262608), (2688, 246195), (2880, 229782), (3024, 218840), (3360, 196956), (3456, 191485), (3780, 175072), (4032, 164130), (4320, 153188), (4480, 147717), (5040, 131304), (5471, 120960), (5760, 114891), (6048, 109420), (6720, 98478), (7560, 87536), (8064, 82065), (8640, 76594), (10080, 65652), (10942, 60480), (12096, 54710), (13440, 49239), (15120, 43768), (16413, 40320), (17280, 38297), (20160, 32826), (21884, 30240), (24192, 27355)]