20138267520

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{166487}}^1$

素因数の和:166522

約数の個数: 256

約数和(自身を含む): 81512524800

約数和(自身を除く): 61374257280

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, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 166487, 332974, 499461, 665948, 832435, 998922, 1165409, 1331896, 1498383, 1664870, 1997844, 2330818, 2497305, 2663792, 2996766, 3329740, 3496227, 3995688, 4495149, 4661636, 4994610, 5327584, 5827045, 5993532, 6659480, 6992454, 7491915, 7991376, 8990298, 9323272, 9989220, 10488681, 10655168, 11654090, 11987064, 13318960, 13984908, 14983830, 15982752, 17481135, 17980596, 18646544, 19978440, 20977362, 21310336, 22475745, 23308180, 23974128, 26637920, 27969816, 29967660, 31466043, 31965504, 34962270, 35961192, 37293088, 39956880, 41954724, 44951490, 46616360, 47948256, 52443405, 53275840, 55939632, 59935320, 62932086, 63931008, 69924540, 71922384, 74586176, 79913760, 83909448, 89902980, 93232720, 95896512, 104886810, 106551680, 111879264, 119870640, 125864172, 139849080, 143844768, 149172352, 157330215, 159827520, 167818896, 179805960, 186465440, 191793024, 209773620, 223758528, 239741280, 251728344, 279698160, 287689536, 314660430, 319655040, 335637792, 359611920, 372930880, 419547240, 447517056, 479482560, 503456688, 559396320, 575379072, 629320860, 671275584, 719223840, 745861760, 839094480, 958965120, 1006913376, 1118792640, 1258641720, 1342551168, 1438447680, 1678188960, 2013826752, 2237585280, 2517283440, 2876895360, 3356377920, 4027653504, 5034566880, 6712755840, 10069133760, 20138267520]

約数ペア:

[(1, 20138267520), (2, 10069133760), (3, 6712755840), (4, 5034566880), (5, 4027653504), (6, 3356377920), (7, 2876895360), (8, 2517283440), (9, 2237585280), (10, 2013826752), (12, 1678188960), (14, 1438447680), (15, 1342551168), (16, 1258641720), (18, 1118792640), (20, 1006913376), (21, 958965120), (24, 839094480), (27, 745861760), (28, 719223840), (30, 671275584), (32, 629320860), (35, 575379072), (36, 559396320), (40, 503456688), (42, 479482560), (45, 447517056), (48, 419547240), (54, 372930880), (56, 359611920), (60, 335637792), (63, 319655040), (64, 314660430), (70, 287689536), (72, 279698160), (80, 251728344), (84, 239741280), (90, 223758528), (96, 209773620), (105, 191793024), (108, 186465440), (112, 179805960), (120, 167818896), (126, 159827520), (128, 157330215), (135, 149172352), (140, 143844768), (144, 139849080), (160, 125864172), (168, 119870640), (180, 111879264), (189, 106551680), (192, 104886810), (210, 95896512), (216, 93232720), (224, 89902980), (240, 83909448), (252, 79913760), (270, 74586176), (280, 71922384), (288, 69924540), (315, 63931008), (320, 62932086), (336, 59935320), (360, 55939632), (378, 53275840), (384, 52443405), (420, 47948256), (432, 46616360), (448, 44951490), (480, 41954724), (504, 39956880), (540, 37293088), (560, 35961192), (576, 34962270), (630, 31965504), (640, 31466043), (672, 29967660), (720, 27969816), (756, 26637920), (840, 23974128), (864, 23308180), (896, 22475745), (945, 21310336), (960, 20977362), (1008, 19978440), (1080, 18646544), (1120, 17980596), (1152, 17481135), (1260, 15982752), (1344, 14983830), (1440, 13984908), (1512, 13318960), (1680, 11987064), (1728, 11654090), (1890, 10655168), (1920, 10488681), (2016, 9989220), (2160, 9323272), (2240, 8990298), (2520, 7991376), (2688, 7491915), (2880, 6992454), (3024, 6659480), (3360, 5993532), (3456, 5827045), (3780, 5327584), (4032, 4994610), (4320, 4661636), (4480, 4495149), (5040, 3995688), (5760, 3496227), (6048, 3329740), (6720, 2996766), (7560, 2663792), (8064, 2497305), (8640, 2330818), (10080, 1997844), (12096, 1664870), (13440, 1498383), (15120, 1331896), (17280, 1165409), (20160, 998922), (24192, 832435), (30240, 665948), (40320, 499461), (60480, 332974), (120960, 166487)]