21078152640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{5507}}^1$

素因数の和:5976

約数の個数: 224

約数和(自身を含む): 74540424960

約数和(自身を除く): 53462272320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 443, 480, 540, 576, 720, 864, 886, 960, 1080, 1329, 1440, 1728, 1772, 2160, 2215, 2658, 2880, 3544, 3987, 4320, 4430, 5316, 5507, 6645, 7088, 7974, 8640, 8860, 10632, 11014, 11961, 13290, 14176, 15948, 16521, 17720, 19935, 21264, 22028, 23922, 26580, 27535, 28352, 31896, 33042, 35440, 39870, 42528, 44056, 47844, 49563, 53160, 55070, 59805, 63792, 66084, 70880, 79740, 82605, 85056, 88112, 95688, 99126, 106320, 110140, 119610, 127584, 132168, 141760, 148689, 159480, 165210, 176224, 191376, 198252, 212640, 220280, 239220, 247815, 255168, 264336, 297378, 318960, 330420, 352448, 382752, 396504, 425280, 440560, 478440, 495630, 528672, 594756, 637920, 660840, 743445, 765504, 793008, 881120, 956880, 991260, 1057344, 1189512, 1275840, 1321680, 1486890, 1586016, 1762240, 1913760, 1982520, 2379024, 2439601, 2643360, 2973780, 3172032, 3827520, 3965040, 4758048, 4879202, 5286720, 5947560, 7318803, 7930080, 9516096, 9758404, 11895120, 12198005, 14637606, 15860160, 19516808, 21956409, 23790240, 24396010, 29275212, 36594015, 39033616, 43912818, 47580480, 48792020, 58550424, 65869227, 73188030, 78067232, 87825636, 97584040, 109782045, 117100848, 131738454, 146376060, 156134464, 175651272, 195168080, 219564090, 234201696, 263476908, 292752120, 329346135, 351302544, 390336160, 439128180, 468403392, 526953816, 585504240, 658692270, 702605088, 780672320, 878256360, 1053907632, 1171008480, 1317384540, 1405210176, 1756512720, 2107815264, 2342016960, 2634769080, 3513025440, 4215630528, 5269538160, 7026050880, 10539076320, 21078152640]

約数ペア:

[(1, 21078152640), (2, 10539076320), (3, 7026050880), (4, 5269538160), (5, 4215630528), (6, 3513025440), (8, 2634769080), (9, 2342016960), (10, 2107815264), (12, 1756512720), (15, 1405210176), (16, 1317384540), (18, 1171008480), (20, 1053907632), (24, 878256360), (27, 780672320), (30, 702605088), (32, 658692270), (36, 585504240), (40, 526953816), (45, 468403392), (48, 439128180), (54, 390336160), (60, 351302544), (64, 329346135), (72, 292752120), (80, 263476908), (90, 234201696), (96, 219564090), (108, 195168080), (120, 175651272), (135, 156134464), (144, 146376060), (160, 131738454), (180, 117100848), (192, 109782045), (216, 97584040), (240, 87825636), (270, 78067232), (288, 73188030), (320, 65869227), (360, 58550424), (432, 48792020), (443, 47580480), (480, 43912818), (540, 39033616), (576, 36594015), (720, 29275212), (864, 24396010), (886, 23790240), (960, 21956409), (1080, 19516808), (1329, 15860160), (1440, 14637606), (1728, 12198005), (1772, 11895120), (2160, 9758404), (2215, 9516096), (2658, 7930080), (2880, 7318803), (3544, 5947560), (3987, 5286720), (4320, 4879202), (4430, 4758048), (5316, 3965040), (5507, 3827520), (6645, 3172032), (7088, 2973780), (7974, 2643360), (8640, 2439601), (8860, 2379024), (10632, 1982520), (11014, 1913760), (11961, 1762240), (13290, 1586016), (14176, 1486890), (15948, 1321680), (16521, 1275840), (17720, 1189512), (19935, 1057344), (21264, 991260), (22028, 956880), (23922, 881120), (26580, 793008), (27535, 765504), (28352, 743445), (31896, 660840), (33042, 637920), (35440, 594756), (39870, 528672), (42528, 495630), (44056, 478440), (47844, 440560), (49563, 425280), (53160, 396504), (55070, 382752), (59805, 352448), (63792, 330420), (66084, 318960), (70880, 297378), (79740, 264336), (82605, 255168), (85056, 247815), (88112, 239220), (95688, 220280), (99126, 212640), (106320, 198252), (110140, 191376), (119610, 176224), (127584, 165210), (132168, 159480), (141760, 148689)]