20804014080

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{12541}}^1$

素因数の和:12582

約数の個数: 260

約数和(自身を含む): 74583084972

約数和(自身を除く): 53779070892

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2048, 2160, 2304, 2560, 2592, 2880, 3072, 3240, 3456, 3840, 4096, 4320, 4608, 5120, 5184, 5760, 6144, 6480, 6912, 7680, 8640, 9216, 10240, 10368, 11520, 12288, 12541, 12960, 13824, 15360, 17280, 18432, 20480, 20736, 23040, 25082, 25920, 27648, 30720, 34560, 36864, 37623, 41472, 46080, 50164, 51840, 55296, 61440, 62705, 69120, 75246, 82944, 92160, 100328, 103680, 110592, 112869, 125410, 138240, 150492, 165888, 184320, 188115, 200656, 207360, 225738, 250820, 276480, 300984, 331776, 338607, 376230, 401312, 414720, 451476, 501640, 552960, 564345, 601968, 677214, 752460, 802624, 829440, 902952, 1003280, 1015821, 1128690, 1203936, 1354428, 1504920, 1605248, 1658880, 1693035, 1805904, 2006560, 2031642, 2257380, 2407872, 2708856, 3009840, 3210496, 3386070, 3611808, 4013120, 4063284, 4514760, 4815744, 5079105, 5417712, 6019680, 6420992, 6772140, 7223616, 8026240, 8126568, 9029520, 9631488, 10158210, 10835424, 12039360, 12841984, 13544280, 14447232, 16052480, 16253136, 18059040, 19262976, 20316420, 21670848, 24078720, 25683968, 27088560, 28894464, 32104960, 32506272, 36118080, 38525952, 40632840, 43341696, 48157440, 51367936, 54177120, 57788928, 64209920, 65012544, 72236160, 77051904, 81265680, 86683392, 96314880, 108354240, 115577856, 128419840, 130025088, 144472320, 154103808, 162531360, 173366784, 192629760, 216708480, 231155712, 256839680, 260050176, 288944640, 325062720, 346733568, 385259520, 433416960, 462311424, 520100352, 577889280, 650125440, 693467136, 770519040, 866833920, 1040200704, 1155778560, 1300250880, 1386934272, 1733667840, 2080401408, 2311557120, 2600501760, 3467335680, 4160802816, 5201003520, 6934671360, 10402007040, 20804014080]

約数ペア:

[(1, 20804014080), (2, 10402007040), (3, 6934671360), (4, 5201003520), (5, 4160802816), (6, 3467335680), (8, 2600501760), (9, 2311557120), (10, 2080401408), (12, 1733667840), (15, 1386934272), (16, 1300250880), (18, 1155778560), (20, 1040200704), (24, 866833920), (27, 770519040), (30, 693467136), (32, 650125440), (36, 577889280), (40, 520100352), (45, 462311424), (48, 433416960), (54, 385259520), (60, 346733568), (64, 325062720), (72, 288944640), (80, 260050176), (81, 256839680), (90, 231155712), (96, 216708480), (108, 192629760), (120, 173366784), (128, 162531360), (135, 154103808), (144, 144472320), (160, 130025088), (162, 128419840), (180, 115577856), (192, 108354240), (216, 96314880), (240, 86683392), (256, 81265680), (270, 77051904), (288, 72236160), (320, 65012544), (324, 64209920), (360, 57788928), (384, 54177120), (405, 51367936), (432, 48157440), (480, 43341696), (512, 40632840), (540, 38525952), (576, 36118080), (640, 32506272), (648, 32104960), (720, 28894464), (768, 27088560), (810, 25683968), (864, 24078720), (960, 21670848), (1024, 20316420), (1080, 19262976), (1152, 18059040), (1280, 16253136), (1296, 16052480), (1440, 14447232), (1536, 13544280), (1620, 12841984), (1728, 12039360), (1920, 10835424), (2048, 10158210), (2160, 9631488), (2304, 9029520), (2560, 8126568), (2592, 8026240), (2880, 7223616), (3072, 6772140), (3240, 6420992), (3456, 6019680), (3840, 5417712), (4096, 5079105), (4320, 4815744), (4608, 4514760), (5120, 4063284), (5184, 4013120), (5760, 3611808), (6144, 3386070), (6480, 3210496), (6912, 3009840), (7680, 2708856), (8640, 2407872), (9216, 2257380), (10240, 2031642), (10368, 2006560), (11520, 1805904), (12288, 1693035), (12541, 1658880), (12960, 1605248), (13824, 1504920), (15360, 1354428), (17280, 1203936), (18432, 1128690), (20480, 1015821), (20736, 1003280), (23040, 902952), (25082, 829440), (25920, 802624), (27648, 752460), (30720, 677214), (34560, 601968), (36864, 564345), (37623, 552960), (41472, 501640), (46080, 451476), (50164, 414720), (51840, 401312), (55296, 376230), (61440, 338607), (62705, 331776), (69120, 300984), (75246, 276480), (82944, 250820), (92160, 225738), (100328, 207360), (103680, 200656), (110592, 188115), (112869, 184320), (125410, 165888), (138240, 150492)]