20108682720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{547}}^1$

素因数の和:1103

約数の個数: 432

約数和(自身を含む): 80123713488

約数和(自身を除く): 60015030768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 521, 547, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1042, 1094, 1120, 1176, 1260, 1440, 1470, 1563, 1568, 1641, 1680, 1764, 1960, 2016, 2084, 2188, 2205, 2352, 2520, 2605, 2735, 2940, 3126, 3282, 3360, 3528, 3647, 3829, 3920, 4168, 4376, 4410, 4689, 4704, 4923, 5040, 5210, 5470, 5880, 6252, 6564, 7056, 7294, 7658, 7815, 7840, 8205, 8336, 8752, 8820, 9378, 9846, 10080, 10420, 10940, 10941, 11487, 11760, 12504, 13128, 14112, 14588, 15316, 15630, 16410, 16672, 17504, 17640, 18235, 18756, 19145, 19692, 20840, 21880, 21882, 22974, 23445, 23520, 24615, 25008, 25529, 26256, 26803, 29176, 30632, 31260, 32820, 32823, 34461, 35280, 36470, 37512, 38290, 39384, 41680, 43760, 43764, 45948, 46890, 49230, 50016, 51058, 52512, 53606, 54705, 57435, 58352, 61264, 62520, 65640, 65646, 68922, 70560, 72940, 75024, 76580, 76587, 78768, 80409, 83360, 87520, 87528, 91896, 93780, 98460, 102116, 107212, 109410, 114870, 116704, 122528, 125040, 127645, 131280, 131292, 134015, 137844, 145880, 150048, 153160, 153174, 157536, 160818, 164115, 172305, 175056, 183792, 187560, 196920, 204232, 214424, 218820, 229740, 229761, 241227, 250080, 255290, 262560, 262584, 268030, 275688, 284987, 291760, 306320, 306348, 321636, 328230, 344610, 350112, 367584, 375120, 382935, 393840, 402045, 408464, 428848, 437640, 459480, 459522, 482454, 510580, 525168, 536060, 551376, 569974, 583520, 612640, 612696, 643272, 656460, 689220, 750240, 765870, 787680, 804090, 816928, 854961, 857696, 875280, 918960, 919044, 964908, 1021160, 1050336, 1072120, 1102752, 1139948, 1148805, 1206135, 1225392, 1286544, 1312920, 1378440, 1424935, 1531740, 1608180, 1709922, 1750560, 1837920, 1838088, 1929816, 1994909, 2042320, 2144240, 2279896, 2297610, 2412270, 2450784, 2564883, 2573088, 2625840, 2756880, 2849870, 3063480, 3216360, 3419844, 3676176, 3859632, 3989818, 4084640, 4274805, 4288480, 4559792, 4595220, 4824540, 5129766, 5251680, 5513760, 5699740, 5984727, 6126960, 6432720, 6839688, 7352352, 7719264, 7979636, 8549610, 9119584, 9190440, 9649080, 9974545, 10259532, 11399480, 11969454, 12253920, 12824415, 12865440, 13679376, 13964363, 15959272, 17099220, 17954181, 18380880, 19298160, 19949090, 20519064, 22798960, 23938908, 25648830, 27358752, 27928726, 29923635, 31918544, 34198440, 35908362, 36761760, 38596320, 39898180, 41038128, 41893089, 45597920, 47877816, 51297660, 55857452, 59847270, 63837088, 68396880, 69821815, 71816724, 79796360, 82076256, 83786178, 89770905, 95755632, 102595320, 111714904, 119694540, 125679267, 136793760, 139643630, 143633448, 159592720, 167572356, 179541810, 191511264, 205190640, 209465445, 223429808, 239389080, 251358534, 279287260, 287266896, 319185440, 335144712, 359083620, 410381280, 418930890, 446859616, 478778160, 502717068, 558574520, 574533792, 628396335, 670289424, 718167240, 837861780, 957556320, 1005434136, 1117149040, 1256792670, 1340578848, 1436334480, 1675723560, 2010868272, 2234298080, 2513585340, 2872668960, 3351447120, 4021736544, 5027170680, 6702894240, 10054341360, 20108682720]

約数ペア:

[(1, 20108682720), (2, 10054341360), (3, 6702894240), (4, 5027170680), (5, 4021736544), (6, 3351447120), (7, 2872668960), (8, 2513585340), (9, 2234298080), (10, 2010868272), (12, 1675723560), (14, 1436334480), (15, 1340578848), (16, 1256792670), (18, 1117149040), (20, 1005434136), (21, 957556320), (24, 837861780), (28, 718167240), (30, 670289424), (32, 628396335), (35, 574533792), (36, 558574520), (40, 502717068), (42, 478778160), (45, 446859616), (48, 418930890), (49, 410381280), (56, 359083620), (60, 335144712), (63, 319185440), (70, 287266896), (72, 279287260), (80, 251358534), (84, 239389080), (90, 223429808), (96, 209465445), (98, 205190640), (105, 191511264), (112, 179541810), (120, 167572356), (126, 159592720), (140, 143633448), (144, 139643630), (147, 136793760), (160, 125679267), (168, 119694540), (180, 111714904), (196, 102595320), (210, 95755632), (224, 89770905), (240, 83786178), (245, 82076256), (252, 79796360), (280, 71816724), (288, 69821815), (294, 68396880), (315, 63837088), (336, 59847270), (360, 55857452), (392, 51297660), (420, 47877816), (441, 45597920), (480, 41893089), (490, 41038128), (504, 39898180), (521, 38596320), (547, 36761760), (560, 35908362), (588, 34198440), (630, 31918544), (672, 29923635), (720, 27928726), (735, 27358752), (784, 25648830), (840, 23938908), (882, 22798960), (980, 20519064), (1008, 19949090), (1042, 19298160), (1094, 18380880), (1120, 17954181), (1176, 17099220), (1260, 15959272), (1440, 13964363), (1470, 13679376), (1563, 12865440), (1568, 12824415), (1641, 12253920), (1680, 11969454), (1764, 11399480), (1960, 10259532), (2016, 9974545), (2084, 9649080), (2188, 9190440), (2205, 9119584), (2352, 8549610), (2520, 7979636), (2605, 7719264), (2735, 7352352), (2940, 6839688), (3126, 6432720), (3282, 6126960), (3360, 5984727), (3528, 5699740), (3647, 5513760), (3829, 5251680), (3920, 5129766), (4168, 4824540), (4376, 4595220), (4410, 4559792), (4689, 4288480), (4704, 4274805), (4923, 4084640), (5040, 3989818), (5210, 3859632), (5470, 3676176), (5880, 3419844), (6252, 3216360), (6564, 3063480), (7056, 2849870), (7294, 2756880), (7658, 2625840), (7815, 2573088), (7840, 2564883), (8205, 2450784), (8336, 2412270), (8752, 2297610), (8820, 2279896), (9378, 2144240), (9846, 2042320), (10080, 1994909), (10420, 1929816), (10940, 1838088), (10941, 1837920), (11487, 1750560), (11760, 1709922), (12504, 1608180), (13128, 1531740), (14112, 1424935), (14588, 1378440), (15316, 1312920), (15630, 1286544), (16410, 1225392), (16672, 1206135), (17504, 1148805), (17640, 1139948), (18235, 1102752), (18756, 1072120), (19145, 1050336), (19692, 1021160), (20840, 964908), (21880, 919044), (21882, 918960), (22974, 875280), (23445, 857696), (23520, 854961), (24615, 816928), (25008, 804090), (25529, 787680), (26256, 765870), (26803, 750240), (29176, 689220), (30632, 656460), (31260, 643272), (32820, 612696), (32823, 612640), (34461, 583520), (35280, 569974), (36470, 551376), (37512, 536060), (38290, 525168), (39384, 510580), (41680, 482454), (43760, 459522), (43764, 459480), (45948, 437640), (46890, 428848), (49230, 408464), (50016, 402045), (51058, 393840), (52512, 382935), (53606, 375120), (54705, 367584), (57435, 350112), (58352, 344610), (61264, 328230), (62520, 321636), (65640, 306348), (65646, 306320), (68922, 291760), (70560, 284987), (72940, 275688), (75024, 268030), (76580, 262584), (76587, 262560), (78768, 255290), (80409, 250080), (83360, 241227), (87520, 229761), (87528, 229740), (91896, 218820), (93780, 214424), (98460, 204232), (102116, 196920), (107212, 187560), (109410, 183792), (114870, 175056), (116704, 172305), (122528, 164115), (125040, 160818), (127645, 157536), (131280, 153174), (131292, 153160), (134015, 150048), (137844, 145880)]