20660451840

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{42701}}^1$

素因数の和:42740

約数の個数: 320

約数和(自身を含む): 83873560320

約数和(自身を除く): 63213108480

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, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1536, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2560, 2688, 2880, 3024, 3360, 3456, 3584, 3780, 3840, 4032, 4320, 4480, 4608, 5040, 5376, 5760, 6048, 6720, 6912, 7560, 7680, 8064, 8640, 8960, 10080, 10752, 11520, 12096, 13440, 13824, 15120, 16128, 17280, 17920, 20160, 23040, 24192, 26880, 30240, 32256, 34560, 40320, 42701, 48384, 53760, 60480, 69120, 80640, 85402, 96768, 120960, 128103, 161280, 170804, 213505, 241920, 256206, 298907, 341608, 384309, 427010, 483840, 512412, 597814, 640515, 683216, 768618, 854020, 896721, 1024824, 1152927, 1195628, 1281030, 1366432, 1494535, 1537236, 1708040, 1793442, 1921545, 2049648, 2305854, 2391256, 2562060, 2690163, 2732864, 2989070, 3074472, 3416080, 3586884, 3843090, 4099296, 4483605, 4611708, 4782512, 5124120, 5380326, 5465728, 5764635, 5978140, 6148944, 6832160, 7173768, 7686180, 8070489, 8198592, 8967210, 9223416, 9565024, 10248240, 10760652, 10931456, 11529270, 11956280, 12297888, 13450815, 13664320, 14347536, 15372360, 16140978, 16397184, 17934420, 18446832, 19130048, 20496480, 21521304, 21862912, 23058540, 23912560, 24595776, 26901630, 27328640, 28695072, 30744720, 32281956, 32794368, 35868840, 36893664, 38260096, 40352445, 40992960, 43042608, 46117080, 47825120, 49191552, 53803260, 54657280, 57390144, 61489440, 64563912, 65588736, 71737680, 73787328, 76520192, 80704890, 81985920, 86085216, 92234160, 95650240, 98383104, 107606520, 109314560, 114780288, 122978880, 129127824, 143475360, 147574656, 153040384, 161409780, 163971840, 172170432, 184468320, 191300480, 196766208, 215213040, 229560576, 245957760, 258255648, 286950720, 295149312, 322819560, 327943680, 344340864, 368936640, 382600960, 430426080, 459121152, 491915520, 516511296, 573901440, 590298624, 645639120, 688681728, 737873280, 765201920, 860852160, 983831040, 1033022592, 1147802880, 1291278240, 1377363456, 1475746560, 1721704320, 2066045184, 2295605760, 2582556480, 2951493120, 3443408640, 4132090368, 5165112960, 6886817280, 10330225920, 20660451840]

約数ペア:

[(1, 20660451840), (2, 10330225920), (3, 6886817280), (4, 5165112960), (5, 4132090368), (6, 3443408640), (7, 2951493120), (8, 2582556480), (9, 2295605760), (10, 2066045184), (12, 1721704320), (14, 1475746560), (15, 1377363456), (16, 1291278240), (18, 1147802880), (20, 1033022592), (21, 983831040), (24, 860852160), (27, 765201920), (28, 737873280), (30, 688681728), (32, 645639120), (35, 590298624), (36, 573901440), (40, 516511296), (42, 491915520), (45, 459121152), (48, 430426080), (54, 382600960), (56, 368936640), (60, 344340864), (63, 327943680), (64, 322819560), (70, 295149312), (72, 286950720), (80, 258255648), (84, 245957760), (90, 229560576), (96, 215213040), (105, 196766208), (108, 191300480), (112, 184468320), (120, 172170432), (126, 163971840), (128, 161409780), (135, 153040384), (140, 147574656), (144, 143475360), (160, 129127824), (168, 122978880), (180, 114780288), (189, 109314560), (192, 107606520), (210, 98383104), (216, 95650240), (224, 92234160), (240, 86085216), (252, 81985920), (256, 80704890), (270, 76520192), (280, 73787328), (288, 71737680), (315, 65588736), (320, 64563912), (336, 61489440), (360, 57390144), (378, 54657280), (384, 53803260), (420, 49191552), (432, 47825120), (448, 46117080), (480, 43042608), (504, 40992960), (512, 40352445), (540, 38260096), (560, 36893664), (576, 35868840), (630, 32794368), (640, 32281956), (672, 30744720), (720, 28695072), (756, 27328640), (768, 26901630), (840, 24595776), (864, 23912560), (896, 23058540), (945, 21862912), (960, 21521304), (1008, 20496480), (1080, 19130048), (1120, 18446832), (1152, 17934420), (1260, 16397184), (1280, 16140978), (1344, 15372360), (1440, 14347536), (1512, 13664320), (1536, 13450815), (1680, 12297888), (1728, 11956280), (1792, 11529270), (1890, 10931456), (1920, 10760652), (2016, 10248240), (2160, 9565024), (2240, 9223416), (2304, 8967210), (2520, 8198592), (2560, 8070489), (2688, 7686180), (2880, 7173768), (3024, 6832160), (3360, 6148944), (3456, 5978140), (3584, 5764635), (3780, 5465728), (3840, 5380326), (4032, 5124120), (4320, 4782512), (4480, 4611708), (4608, 4483605), (5040, 4099296), (5376, 3843090), (5760, 3586884), (6048, 3416080), (6720, 3074472), (6912, 2989070), (7560, 2732864), (7680, 2690163), (8064, 2562060), (8640, 2391256), (8960, 2305854), (10080, 2049648), (10752, 1921545), (11520, 1793442), (12096, 1708040), (13440, 1537236), (13824, 1494535), (15120, 1366432), (16128, 1281030), (17280, 1195628), (17920, 1152927), (20160, 1024824), (23040, 896721), (24192, 854020), (26880, 768618), (30240, 683216), (32256, 640515), (34560, 597814), (40320, 512412), (42701, 483840), (48384, 427010), (53760, 384309), (60480, 341608), (69120, 298907), (80640, 256206), (85402, 241920), (96768, 213505), (120960, 170804), (128103, 161280)]