420295680

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{1303}}^1$

素因数の和:1341

約数の個数: 264

約数和(自身を含む): 1665635712

約数和(自身を除く): 1245340032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1303, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2606, 2688, 2880, 3072, 3360, 3584, 3840, 3909, 4032, 4480, 4608, 5040, 5120, 5212, 5376, 5760, 6515, 6720, 7168, 7680, 7818, 8064, 8960, 9121, 9216, 10080, 10424, 10752, 11520, 11727, 13030, 13440, 15360, 15636, 16128, 17920, 18242, 19545, 20160, 20848, 21504, 23040, 23454, 26060, 26880, 27363, 31272, 32256, 35840, 36484, 39090, 40320, 41696, 45605, 46080, 46908, 52120, 53760, 54726, 58635, 62544, 64512, 72968, 78180, 80640, 82089, 83392, 91210, 93816, 104240, 107520, 109452, 117270, 125088, 136815, 145936, 156360, 161280, 164178, 166784, 182420, 187632, 208480, 218904, 234540, 250176, 273630, 291872, 312720, 322560, 328356, 333568, 364840, 375264, 410445, 416960, 437808, 469080, 500352, 547260, 583744, 625440, 656712, 667136, 729680, 750528, 820890, 833920, 875616, 938160, 1000704, 1094520, 1167488, 1250880, 1313424, 1334272, 1459360, 1501056, 1641780, 1667840, 1751232, 1876320, 2001408, 2189040, 2334976, 2501760, 2626848, 2918720, 3002112, 3283560, 3335680, 3502464, 3752640, 4002816, 4378080, 4669952, 5003520, 5253696, 5837440, 6004224, 6567120, 6671360, 7004928, 7505280, 8756160, 9339904, 10007040, 10507392, 11674880, 12008448, 13134240, 14009856, 15010560, 17512320, 20014080, 21014784, 23349760, 26268480, 28019712, 30021120, 35024640, 42029568, 46699520, 52536960, 60042240, 70049280, 84059136, 105073920, 140098560, 210147840, 420295680]

約数ペア:

[(1, 420295680), (2, 210147840), (3, 140098560), (4, 105073920), (5, 84059136), (6, 70049280), (7, 60042240), (8, 52536960), (9, 46699520), (10, 42029568), (12, 35024640), (14, 30021120), (15, 28019712), (16, 26268480), (18, 23349760), (20, 21014784), (21, 20014080), (24, 17512320), (28, 15010560), (30, 14009856), (32, 13134240), (35, 12008448), (36, 11674880), (40, 10507392), (42, 10007040), (45, 9339904), (48, 8756160), (56, 7505280), (60, 7004928), (63, 6671360), (64, 6567120), (70, 6004224), (72, 5837440), (80, 5253696), (84, 5003520), (90, 4669952), (96, 4378080), (105, 4002816), (112, 3752640), (120, 3502464), (126, 3335680), (128, 3283560), (140, 3002112), (144, 2918720), (160, 2626848), (168, 2501760), (180, 2334976), (192, 2189040), (210, 2001408), (224, 1876320), (240, 1751232), (252, 1667840), (256, 1641780), (280, 1501056), (288, 1459360), (315, 1334272), (320, 1313424), (336, 1250880), (360, 1167488), (384, 1094520), (420, 1000704), (448, 938160), (480, 875616), (504, 833920), (512, 820890), (560, 750528), (576, 729680), (630, 667136), (640, 656712), (672, 625440), (720, 583744), (768, 547260), (840, 500352), (896, 469080), (960, 437808), (1008, 416960), (1024, 410445), (1120, 375264), (1152, 364840), (1260, 333568), (1280, 328356), (1303, 322560), (1344, 312720), (1440, 291872), (1536, 273630), (1680, 250176), (1792, 234540), (1920, 218904), (2016, 208480), (2240, 187632), (2304, 182420), (2520, 166784), (2560, 164178), (2606, 161280), (2688, 156360), (2880, 145936), (3072, 136815), (3360, 125088), (3584, 117270), (3840, 109452), (3909, 107520), (4032, 104240), (4480, 93816), (4608, 91210), (5040, 83392), (5120, 82089), (5212, 80640), (5376, 78180), (5760, 72968), (6515, 64512), (6720, 62544), (7168, 58635), (7680, 54726), (7818, 53760), (8064, 52120), (8960, 46908), (9121, 46080), (9216, 45605), (10080, 41696), (10424, 40320), (10752, 39090), (11520, 36484), (11727, 35840), (13030, 32256), (13440, 31272), (15360, 27363), (15636, 26880), (16128, 26060), (17920, 23454), (18242, 23040), (19545, 21504), (20160, 20848)]