20912532480

素因数分解:

$2^{10}\times 3^3\times 5^1\times 7^1\times {\mathrm{21611}}^1$

素因数の和:21652

約数の個数: 352

約数和(自身を含む): 84940346880

約数和(自身を除く): 64027814400

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, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1024, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1536, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2560, 2688, 2880, 3024, 3072, 3360, 3456, 3584, 3780, 3840, 4032, 4320, 4480, 4608, 5040, 5120, 5376, 5760, 6048, 6720, 6912, 7168, 7560, 7680, 8064, 8640, 8960, 9216, 10080, 10752, 11520, 12096, 13440, 13824, 15120, 15360, 16128, 17280, 17920, 20160, 21504, 21611, 23040, 24192, 26880, 27648, 30240, 32256, 34560, 35840, 40320, 43222, 46080, 48384, 53760, 60480, 64512, 64833, 69120, 80640, 86444, 96768, 107520, 108055, 120960, 129666, 138240, 151277, 161280, 172888, 193536, 194499, 216110, 241920, 259332, 302554, 322560, 324165, 345776, 388998, 432220, 453831, 483840, 518664, 583497, 605108, 648330, 691552, 756385, 777996, 864440, 907662, 967680, 972495, 1037328, 1166994, 1210216, 1296660, 1361493, 1383104, 1512770, 1555992, 1728880, 1815324, 1944990, 2074656, 2269155, 2333988, 2420432, 2593320, 2722986, 2766208, 2917485, 3025540, 3111984, 3457760, 3630648, 3889980, 4084479, 4149312, 4538310, 4667976, 4840864, 5186640, 5445972, 5532416, 5834970, 6051080, 6223968, 6807465, 6915520, 7261296, 7779960, 8168958, 8298624, 9076620, 9335952, 9681728, 10373280, 10891944, 11064832, 11669940, 12102160, 12447936, 13614930, 13831040, 14522592, 15559920, 16337916, 16597248, 18153240, 18671904, 19363456, 20422395, 20746560, 21783888, 22129664, 23339880, 24204320, 24895872, 27229860, 27662080, 29045184, 31119840, 32675832, 33194496, 36306480, 37343808, 38726912, 40844790, 41493120, 43567776, 46679760, 48408640, 49791744, 54459720, 55324160, 58090368, 62239680, 65351664, 66388992, 72612960, 74687616, 77453824, 81689580, 82986240, 87135552, 93359520, 96817280, 99583488, 108919440, 110648320, 116180736, 124479360, 130703328, 145225920, 149375232, 154907648, 163379160, 165972480, 174271104, 186719040, 193634560, 199166976, 217838880, 232361472, 248958720, 261406656, 290451840, 298750464, 326758320, 331944960, 348542208, 373438080, 387269120, 435677760, 464722944, 497917440, 522813312, 580903680, 597500928, 653516640, 697084416, 746876160, 774538240, 871355520, 995834880, 1045626624, 1161807360, 1307033280, 1394168832, 1493752320, 1742711040, 2091253248, 2323614720, 2614066560, 2987504640, 3485422080, 4182506496, 5228133120, 6970844160, 10456266240, 20912532480]

約数ペア:

[(1, 20912532480), (2, 10456266240), (3, 6970844160), (4, 5228133120), (5, 4182506496), (6, 3485422080), (7, 2987504640), (8, 2614066560), (9, 2323614720), (10, 2091253248), (12, 1742711040), (14, 1493752320), (15, 1394168832), (16, 1307033280), (18, 1161807360), (20, 1045626624), (21, 995834880), (24, 871355520), (27, 774538240), (28, 746876160), (30, 697084416), (32, 653516640), (35, 597500928), (36, 580903680), (40, 522813312), (42, 497917440), (45, 464722944), (48, 435677760), (54, 387269120), (56, 373438080), (60, 348542208), (63, 331944960), (64, 326758320), (70, 298750464), (72, 290451840), (80, 261406656), (84, 248958720), (90, 232361472), (96, 217838880), (105, 199166976), (108, 193634560), (112, 186719040), (120, 174271104), (126, 165972480), (128, 163379160), (135, 154907648), (140, 149375232), (144, 145225920), (160, 130703328), (168, 124479360), (180, 116180736), (189, 110648320), (192, 108919440), (210, 99583488), (216, 96817280), (224, 93359520), (240, 87135552), (252, 82986240), (256, 81689580), (270, 77453824), (280, 74687616), (288, 72612960), (315, 66388992), (320, 65351664), (336, 62239680), (360, 58090368), (378, 55324160), (384, 54459720), (420, 49791744), (432, 48408640), (448, 46679760), (480, 43567776), (504, 41493120), (512, 40844790), (540, 38726912), (560, 37343808), (576, 36306480), (630, 33194496), (640, 32675832), (672, 31119840), (720, 29045184), (756, 27662080), (768, 27229860), (840, 24895872), (864, 24204320), (896, 23339880), (945, 22129664), (960, 21783888), (1008, 20746560), (1024, 20422395), (1080, 19363456), (1120, 18671904), (1152, 18153240), (1260, 16597248), (1280, 16337916), (1344, 15559920), (1440, 14522592), (1512, 13831040), (1536, 13614930), (1680, 12447936), (1728, 12102160), (1792, 11669940), (1890, 11064832), (1920, 10891944), (2016, 10373280), (2160, 9681728), (2240, 9335952), (2304, 9076620), (2520, 8298624), (2560, 8168958), (2688, 7779960), (2880, 7261296), (3024, 6915520), (3072, 6807465), (3360, 6223968), (3456, 6051080), (3584, 5834970), (3780, 5532416), (3840, 5445972), (4032, 5186640), (4320, 4840864), (4480, 4667976), (4608, 4538310), (5040, 4149312), (5120, 4084479), (5376, 3889980), (5760, 3630648), (6048, 3457760), (6720, 3111984), (6912, 3025540), (7168, 2917485), (7560, 2766208), (7680, 2722986), (8064, 2593320), (8640, 2420432), (8960, 2333988), (9216, 2269155), (10080, 2074656), (10752, 1944990), (11520, 1815324), (12096, 1728880), (13440, 1555992), (13824, 1512770), (15120, 1383104), (15360, 1361493), (16128, 1296660), (17280, 1210216), (17920, 1166994), (20160, 1037328), (21504, 972495), (21611, 967680), (23040, 907662), (24192, 864440), (26880, 777996), (27648, 756385), (30240, 691552), (32256, 648330), (34560, 605108), (35840, 583497), (40320, 518664), (43222, 483840), (46080, 453831), (48384, 432220), (53760, 388998), (60480, 345776), (64512, 324165), (64833, 322560), (69120, 302554), (80640, 259332), (86444, 241920), (96768, 216110), (107520, 194499), (108055, 193536), (120960, 172888), (129666, 161280), (138240, 151277)]