20979060480

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{86719}}^1$

素因数の和:86756

約数の個数: 288

約数和(自身を含む): 85082726400

約数和(自身を除く): 64103665920

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, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 5040, 5376, 5760, 6048, 6720, 6912, 7560, 8064, 8640, 8960, 10080, 11520, 12096, 13440, 15120, 16128, 17280, 20160, 24192, 26880, 30240, 34560, 40320, 48384, 60480, 80640, 86719, 120960, 173438, 241920, 260157, 346876, 433595, 520314, 607033, 693752, 780471, 867190, 1040628, 1214066, 1300785, 1387504, 1560942, 1734380, 1821099, 2081256, 2341413, 2428132, 2601570, 2775008, 3035165, 3121884, 3468760, 3642198, 3902355, 4162512, 4682826, 4856264, 5203140, 5463297, 5550016, 6070330, 6243768, 6937520, 7284396, 7804710, 8325024, 9105495, 9365652, 9712528, 10406280, 10926594, 11100032, 11707065, 12140660, 12487536, 13875040, 14568792, 15609420, 16389891, 16650048, 18210990, 18731304, 19425056, 20812560, 21853188, 22200064, 23414130, 24281320, 24975072, 27316485, 27750080, 29137584, 31218840, 32779782, 33300096, 36421980, 37462608, 38850112, 41625120, 43706376, 46828260, 48562640, 49950144, 54632970, 55500160, 58275168, 62437680, 65559564, 66600192, 72843960, 74925216, 77700224, 81949455, 83250240, 87412752, 93656520, 97125280, 99900288, 109265940, 111000320, 116550336, 124875360, 131119128, 145687920, 149850432, 155400448, 163898910, 166500480, 174825504, 187313040, 194250560, 199800576, 218531880, 233100672, 249750720, 262238256, 291375840, 299700864, 327797820, 333000960, 349651008, 374626080, 388501120, 437063760, 466201344, 499501440, 524476512, 582751680, 599401728, 655595640, 699302016, 749252160, 777002240, 874127520, 999002880, 1048953024, 1165503360, 1311191280, 1398604032, 1498504320, 1748255040, 2097906048, 2331006720, 2622382560, 2997008640, 3496510080, 4195812096, 5244765120, 6993020160, 10489530240, 20979060480]

約数ペア:

[(1, 20979060480), (2, 10489530240), (3, 6993020160), (4, 5244765120), (5, 4195812096), (6, 3496510080), (7, 2997008640), (8, 2622382560), (9, 2331006720), (10, 2097906048), (12, 1748255040), (14, 1498504320), (15, 1398604032), (16, 1311191280), (18, 1165503360), (20, 1048953024), (21, 999002880), (24, 874127520), (27, 777002240), (28, 749252160), (30, 699302016), (32, 655595640), (35, 599401728), (36, 582751680), (40, 524476512), (42, 499501440), (45, 466201344), (48, 437063760), (54, 388501120), (56, 374626080), (60, 349651008), (63, 333000960), (64, 327797820), (70, 299700864), (72, 291375840), (80, 262238256), (84, 249750720), (90, 233100672), (96, 218531880), (105, 199800576), (108, 194250560), (112, 187313040), (120, 174825504), (126, 166500480), (128, 163898910), (135, 155400448), (140, 149850432), (144, 145687920), (160, 131119128), (168, 124875360), (180, 116550336), (189, 111000320), (192, 109265940), (210, 99900288), (216, 97125280), (224, 93656520), (240, 87412752), (252, 83250240), (256, 81949455), (270, 77700224), (280, 74925216), (288, 72843960), (315, 66600192), (320, 65559564), (336, 62437680), (360, 58275168), (378, 55500160), (384, 54632970), (420, 49950144), (432, 48562640), (448, 46828260), (480, 43706376), (504, 41625120), (540, 38850112), (560, 37462608), (576, 36421980), (630, 33300096), (640, 32779782), (672, 31218840), (720, 29137584), (756, 27750080), (768, 27316485), (840, 24975072), (864, 24281320), (896, 23414130), (945, 22200064), (960, 21853188), (1008, 20812560), (1080, 19425056), (1120, 18731304), (1152, 18210990), (1260, 16650048), (1280, 16389891), (1344, 15609420), (1440, 14568792), (1512, 13875040), (1680, 12487536), (1728, 12140660), (1792, 11707065), (1890, 11100032), (1920, 10926594), (2016, 10406280), (2160, 9712528), (2240, 9365652), (2304, 9105495), (2520, 8325024), (2688, 7804710), (2880, 7284396), (3024, 6937520), (3360, 6243768), (3456, 6070330), (3780, 5550016), (3840, 5463297), (4032, 5203140), (4320, 4856264), (4480, 4682826), (5040, 4162512), (5376, 3902355), (5760, 3642198), (6048, 3468760), (6720, 3121884), (6912, 3035165), (7560, 2775008), (8064, 2601570), (8640, 2428132), (8960, 2341413), (10080, 2081256), (11520, 1821099), (12096, 1734380), (13440, 1560942), (15120, 1387504), (16128, 1300785), (17280, 1214066), (20160, 1040628), (24192, 867190), (26880, 780471), (30240, 693752), (34560, 607033), (40320, 520314), (48384, 433595), (60480, 346876), (80640, 260157), (86719, 241920), (120960, 173438)]