21515431680

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1009}}^1$

素因数の和:1656

約数の個数: 288

約数和(自身を含む): 76549435200

約数和(自身を除く): 55034003520

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, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 617, 640, 720, 768, 864, 960, 1009, 1080, 1152, 1234, 1280, 1440, 1728, 1851, 1920, 2018, 2160, 2304, 2468, 2880, 3027, 3085, 3456, 3702, 3840, 4036, 4320, 4936, 5045, 5553, 5760, 6054, 6170, 6912, 7404, 8072, 8640, 9081, 9255, 9872, 10090, 11106, 11520, 12108, 12340, 14808, 15135, 16144, 16659, 17280, 18162, 18510, 19744, 20180, 22212, 24216, 24680, 27243, 27765, 29616, 30270, 32288, 33318, 34560, 36324, 37020, 39488, 40360, 44424, 45405, 48432, 49360, 54486, 55530, 59232, 60540, 64576, 66636, 72648, 74040, 78976, 80720, 83295, 88848, 90810, 96864, 98720, 108972, 111060, 118464, 121080, 129152, 133272, 136215, 145296, 148080, 157952, 161440, 166590, 177696, 181620, 193728, 197440, 217944, 222120, 236928, 242160, 258304, 266544, 272430, 290592, 296160, 322880, 333180, 355392, 363240, 387456, 394880, 435888, 444240, 473856, 484320, 533088, 544860, 581184, 592320, 622553, 645760, 666360, 710784, 726480, 774912, 789760, 871776, 888480, 968640, 1066176, 1089720, 1162368, 1184640, 1245106, 1291520, 1332720, 1421568, 1452960, 1743552, 1776960, 1867659, 1937280, 2132352, 2179440, 2324736, 2369280, 2490212, 2665440, 2905920, 3112765, 3487104, 3553920, 3735318, 3874560, 4264704, 4358880, 4980424, 5330880, 5602977, 5811840, 6225530, 6974208, 7107840, 7470636, 8717760, 9338295, 9960848, 10661760, 11205954, 11623680, 12451060, 14941272, 16808931, 17435520, 18676590, 19921696, 21323520, 22411908, 24902120, 28014885, 29882544, 33617862, 34871040, 37353180, 39843392, 44823816, 49804240, 56029770, 59765088, 67235724, 74706360, 79686784, 84044655, 89647632, 99608480, 112059540, 119530176, 134471448, 149412720, 159373568, 168089310, 179295264, 199216960, 224119080, 239060352, 268942896, 298825440, 336178620, 358590528, 398433920, 448238160, 478120704, 537885792, 597650880, 672357240, 717181056, 796867840, 896476320, 1075771584, 1195301760, 1344714480, 1434362112, 1792952640, 2151543168, 2390603520, 2689428960, 3585905280, 4303086336, 5378857920, 7171810560, 10757715840, 21515431680]

約数ペア:

[(1, 21515431680), (2, 10757715840), (3, 7171810560), (4, 5378857920), (5, 4303086336), (6, 3585905280), (8, 2689428960), (9, 2390603520), (10, 2151543168), (12, 1792952640), (15, 1434362112), (16, 1344714480), (18, 1195301760), (20, 1075771584), (24, 896476320), (27, 796867840), (30, 717181056), (32, 672357240), (36, 597650880), (40, 537885792), (45, 478120704), (48, 448238160), (54, 398433920), (60, 358590528), (64, 336178620), (72, 298825440), (80, 268942896), (90, 239060352), (96, 224119080), (108, 199216960), (120, 179295264), (128, 168089310), (135, 159373568), (144, 149412720), (160, 134471448), (180, 119530176), (192, 112059540), (216, 99608480), (240, 89647632), (256, 84044655), (270, 79686784), (288, 74706360), (320, 67235724), (360, 59765088), (384, 56029770), (432, 49804240), (480, 44823816), (540, 39843392), (576, 37353180), (617, 34871040), (640, 33617862), (720, 29882544), (768, 28014885), (864, 24902120), (960, 22411908), (1009, 21323520), (1080, 19921696), (1152, 18676590), (1234, 17435520), (1280, 16808931), (1440, 14941272), (1728, 12451060), (1851, 11623680), (1920, 11205954), (2018, 10661760), (2160, 9960848), (2304, 9338295), (2468, 8717760), (2880, 7470636), (3027, 7107840), (3085, 6974208), (3456, 6225530), (3702, 5811840), (3840, 5602977), (4036, 5330880), (4320, 4980424), (4936, 4358880), (5045, 4264704), (5553, 3874560), (5760, 3735318), (6054, 3553920), (6170, 3487104), (6912, 3112765), (7404, 2905920), (8072, 2665440), (8640, 2490212), (9081, 2369280), (9255, 2324736), (9872, 2179440), (10090, 2132352), (11106, 1937280), (11520, 1867659), (12108, 1776960), (12340, 1743552), (14808, 1452960), (15135, 1421568), (16144, 1332720), (16659, 1291520), (17280, 1245106), (18162, 1184640), (18510, 1162368), (19744, 1089720), (20180, 1066176), (22212, 968640), (24216, 888480), (24680, 871776), (27243, 789760), (27765, 774912), (29616, 726480), (30270, 710784), (32288, 666360), (33318, 645760), (34560, 622553), (36324, 592320), (37020, 581184), (39488, 544860), (40360, 533088), (44424, 484320), (45405, 473856), (48432, 444240), (49360, 435888), (54486, 394880), (55530, 387456), (59232, 363240), (60540, 355392), (64576, 333180), (66636, 322880), (72648, 296160), (74040, 290592), (78976, 272430), (80720, 266544), (83295, 258304), (88848, 242160), (90810, 236928), (96864, 222120), (98720, 217944), (108972, 197440), (111060, 193728), (118464, 181620), (121080, 177696), (129152, 166590), (133272, 161440), (136215, 157952), (145296, 148080)]