21051578880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3823}}^1$

素因数の和:4091

約数の個数: 240

約数和(自身を含む): 73231741440

約数和(自身を除く): 52180162560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 239, 240, 256, 288, 320, 360, 384, 478, 480, 512, 576, 640, 717, 720, 768, 956, 960, 1152, 1195, 1280, 1434, 1440, 1536, 1912, 1920, 2151, 2304, 2390, 2560, 2868, 2880, 3585, 3823, 3824, 3840, 4302, 4608, 4780, 5736, 5760, 7170, 7646, 7648, 7680, 8604, 9560, 10755, 11469, 11472, 11520, 14340, 15292, 15296, 17208, 19115, 19120, 21510, 22938, 22944, 23040, 28680, 30584, 30592, 34407, 34416, 38230, 38240, 43020, 45876, 45888, 57345, 57360, 61168, 61184, 68814, 68832, 76460, 76480, 86040, 91752, 91776, 114690, 114720, 122336, 122368, 137628, 137664, 152920, 152960, 172035, 172080, 183504, 183552, 229380, 229440, 244672, 275256, 275328, 305840, 305920, 344070, 344160, 367008, 367104, 458760, 458880, 489344, 550512, 550656, 611680, 611840, 688140, 688320, 734016, 913697, 917520, 917760, 978688, 1101024, 1101312, 1223360, 1376280, 1376640, 1468032, 1827394, 1835040, 1835520, 1957376, 2202048, 2446720, 2741091, 2752560, 2753280, 2936064, 3654788, 3670080, 4404096, 4568485, 4893440, 5482182, 5505120, 5506560, 5872128, 7309576, 7340160, 8223273, 8808192, 9136970, 9786880, 10964364, 11010240, 13705455, 14619152, 14680320, 16446546, 17616384, 18273940, 21928728, 22020480, 27410910, 29238304, 29360640, 32893092, 36547880, 41116365, 43857456, 44040960, 54821820, 58476608, 65786184, 73095760, 82232730, 87714912, 88081920, 109643640, 116953216, 131572368, 146191520, 164465460, 175429824, 219287280, 233906432, 263144736, 292383040, 328930920, 350859648, 438574560, 467812864, 526289472, 584766080, 657861840, 701719296, 877149120, 1052578944, 1169532160, 1315723680, 1403438592, 1754298240, 2105157888, 2339064320, 2631447360, 3508596480, 4210315776, 5262894720, 7017192960, 10525789440, 21051578880]

約数ペア:

[(1, 21051578880), (2, 10525789440), (3, 7017192960), (4, 5262894720), (5, 4210315776), (6, 3508596480), (8, 2631447360), (9, 2339064320), (10, 2105157888), (12, 1754298240), (15, 1403438592), (16, 1315723680), (18, 1169532160), (20, 1052578944), (24, 877149120), (30, 701719296), (32, 657861840), (36, 584766080), (40, 526289472), (45, 467812864), (48, 438574560), (60, 350859648), (64, 328930920), (72, 292383040), (80, 263144736), (90, 233906432), (96, 219287280), (120, 175429824), (128, 164465460), (144, 146191520), (160, 131572368), (180, 116953216), (192, 109643640), (239, 88081920), (240, 87714912), (256, 82232730), (288, 73095760), (320, 65786184), (360, 58476608), (384, 54821820), (478, 44040960), (480, 43857456), (512, 41116365), (576, 36547880), (640, 32893092), (717, 29360640), (720, 29238304), (768, 27410910), (956, 22020480), (960, 21928728), (1152, 18273940), (1195, 17616384), (1280, 16446546), (1434, 14680320), (1440, 14619152), (1536, 13705455), (1912, 11010240), (1920, 10964364), (2151, 9786880), (2304, 9136970), (2390, 8808192), (2560, 8223273), (2868, 7340160), (2880, 7309576), (3585, 5872128), (3823, 5506560), (3824, 5505120), (3840, 5482182), (4302, 4893440), (4608, 4568485), (4780, 4404096), (5736, 3670080), (5760, 3654788), (7170, 2936064), (7646, 2753280), (7648, 2752560), (7680, 2741091), (8604, 2446720), (9560, 2202048), (10755, 1957376), (11469, 1835520), (11472, 1835040), (11520, 1827394), (14340, 1468032), (15292, 1376640), (15296, 1376280), (17208, 1223360), (19115, 1101312), (19120, 1101024), (21510, 978688), (22938, 917760), (22944, 917520), (23040, 913697), (28680, 734016), (30584, 688320), (30592, 688140), (34407, 611840), (34416, 611680), (38230, 550656), (38240, 550512), (43020, 489344), (45876, 458880), (45888, 458760), (57345, 367104), (57360, 367008), (61168, 344160), (61184, 344070), (68814, 305920), (68832, 305840), (76460, 275328), (76480, 275256), (86040, 244672), (91752, 229440), (91776, 229380), (114690, 183552), (114720, 183504), (122336, 172080), (122368, 172035), (137628, 152960), (137664, 152920)]