21720579840

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15329}}^1$

素因数の和:15400

約数の個数: 288

約数和(自身を含む): 78962990400

約数和(自身を除く): 57242410560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 64, 72, 80, 82, 90, 96, 108, 120, 123, 128, 135, 144, 160, 164, 180, 192, 205, 216, 240, 246, 256, 270, 288, 320, 328, 360, 369, 384, 410, 432, 480, 492, 540, 576, 615, 640, 656, 720, 738, 768, 820, 864, 960, 984, 1080, 1107, 1152, 1230, 1280, 1312, 1440, 1476, 1640, 1728, 1845, 1920, 1968, 2160, 2214, 2304, 2460, 2624, 2880, 2952, 3280, 3456, 3690, 3840, 3936, 4320, 4428, 4920, 5248, 5535, 5760, 5904, 6560, 6912, 7380, 7872, 8640, 8856, 9840, 10496, 11070, 11520, 11808, 13120, 14760, 15329, 15744, 17280, 17712, 19680, 22140, 23616, 26240, 29520, 30658, 31488, 34560, 35424, 39360, 44280, 45987, 47232, 52480, 59040, 61316, 70848, 76645, 78720, 88560, 91974, 94464, 118080, 122632, 137961, 141696, 153290, 157440, 177120, 183948, 229935, 236160, 245264, 275922, 283392, 306580, 354240, 367896, 413883, 459870, 472320, 490528, 551844, 613160, 628489, 689805, 708480, 735792, 827766, 919740, 981056, 1103688, 1226320, 1256978, 1379610, 1416960, 1471584, 1655532, 1839480, 1885467, 1962112, 2069415, 2207376, 2452640, 2513956, 2759220, 2943168, 3142445, 3311064, 3678960, 3770934, 3924224, 4138830, 4414752, 4905280, 5027912, 5518440, 5656401, 5886336, 6284890, 6622128, 7357920, 7541868, 8277660, 8829504, 9427335, 9810560, 10055824, 11036880, 11312802, 11772672, 12569780, 13244256, 14715840, 15083736, 16555320, 16969203, 17659008, 18854670, 19621120, 20111648, 22073760, 22625604, 25139560, 26488512, 28282005, 29431680, 30167472, 33110640, 33938406, 35318016, 37709340, 40223296, 44147520, 45251208, 50279120, 52977024, 56564010, 58863360, 60334944, 66221280, 67876812, 75418680, 80446592, 84846015, 88295040, 90502416, 100558240, 105954048, 113128020, 120669888, 132442560, 135753624, 150837360, 160893184, 169692030, 176590080, 181004832, 201116480, 226256040, 241339776, 264885120, 271507248, 301674720, 339384060, 362009664, 402232960, 452512080, 482679552, 529770240, 543014496, 603349440, 678768120, 724019328, 804465920, 905024160, 1086028992, 1206698880, 1357536240, 1448038656, 1810048320, 2172057984, 2413397760, 2715072480, 3620096640, 4344115968, 5430144960, 7240193280, 10860289920, 21720579840]

約数ペア:

[(1, 21720579840), (2, 10860289920), (3, 7240193280), (4, 5430144960), (5, 4344115968), (6, 3620096640), (8, 2715072480), (9, 2413397760), (10, 2172057984), (12, 1810048320), (15, 1448038656), (16, 1357536240), (18, 1206698880), (20, 1086028992), (24, 905024160), (27, 804465920), (30, 724019328), (32, 678768120), (36, 603349440), (40, 543014496), (41, 529770240), (45, 482679552), (48, 452512080), (54, 402232960), (60, 362009664), (64, 339384060), (72, 301674720), (80, 271507248), (82, 264885120), (90, 241339776), (96, 226256040), (108, 201116480), (120, 181004832), (123, 176590080), (128, 169692030), (135, 160893184), (144, 150837360), (160, 135753624), (164, 132442560), (180, 120669888), (192, 113128020), (205, 105954048), (216, 100558240), (240, 90502416), (246, 88295040), (256, 84846015), (270, 80446592), (288, 75418680), (320, 67876812), (328, 66221280), (360, 60334944), (369, 58863360), (384, 56564010), (410, 52977024), (432, 50279120), (480, 45251208), (492, 44147520), (540, 40223296), (576, 37709340), (615, 35318016), (640, 33938406), (656, 33110640), (720, 30167472), (738, 29431680), (768, 28282005), (820, 26488512), (864, 25139560), (960, 22625604), (984, 22073760), (1080, 20111648), (1107, 19621120), (1152, 18854670), (1230, 17659008), (1280, 16969203), (1312, 16555320), (1440, 15083736), (1476, 14715840), (1640, 13244256), (1728, 12569780), (1845, 11772672), (1920, 11312802), (1968, 11036880), (2160, 10055824), (2214, 9810560), (2304, 9427335), (2460, 8829504), (2624, 8277660), (2880, 7541868), (2952, 7357920), (3280, 6622128), (3456, 6284890), (3690, 5886336), (3840, 5656401), (3936, 5518440), (4320, 5027912), (4428, 4905280), (4920, 4414752), (5248, 4138830), (5535, 3924224), (5760, 3770934), (5904, 3678960), (6560, 3311064), (6912, 3142445), (7380, 2943168), (7872, 2759220), (8640, 2513956), (8856, 2452640), (9840, 2207376), (10496, 2069415), (11070, 1962112), (11520, 1885467), (11808, 1839480), (13120, 1655532), (14760, 1471584), (15329, 1416960), (15744, 1379610), (17280, 1256978), (17712, 1226320), (19680, 1103688), (22140, 981056), (23616, 919740), (26240, 827766), (29520, 735792), (30658, 708480), (31488, 689805), (34560, 628489), (35424, 613160), (39360, 551844), (44280, 490528), (45987, 472320), (47232, 459870), (52480, 413883), (59040, 367896), (61316, 354240), (70848, 306580), (76645, 283392), (78720, 275922), (88560, 245264), (91974, 236160), (94464, 229935), (118080, 183948), (122632, 177120), (137961, 157440), (141696, 153290)]