1638627840

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 320

約数和(自身を含む): 5896408320

約数和(自身を除く): 4257780480

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, 151, 157, 160, 180, 192, 216, 240, 256, 270, 288, 302, 314, 320, 360, 384, 432, 453, 471, 480, 512, 540, 576, 604, 628, 640, 720, 755, 768, 785, 864, 906, 942, 960, 1080, 1152, 1208, 1256, 1280, 1359, 1413, 1440, 1510, 1536, 1570, 1728, 1812, 1884, 1920, 2160, 2265, 2304, 2355, 2416, 2512, 2560, 2718, 2826, 2880, 3020, 3140, 3456, 3624, 3768, 3840, 4077, 4239, 4320, 4530, 4608, 4710, 4832, 5024, 5436, 5652, 5760, 6040, 6280, 6795, 6912, 7065, 7248, 7536, 7680, 8154, 8478, 8640, 9060, 9420, 9664, 10048, 10872, 11304, 11520, 12080, 12560, 13590, 13824, 14130, 14496, 15072, 16308, 16956, 17280, 18120, 18840, 19328, 20096, 20385, 21195, 21744, 22608, 23040, 23707, 24160, 25120, 27180, 28260, 28992, 30144, 32616, 33912, 34560, 36240, 37680, 38656, 40192, 40770, 42390, 43488, 45216, 47414, 48320, 50240, 54360, 56520, 57984, 60288, 65232, 67824, 69120, 71121, 72480, 75360, 77312, 80384, 81540, 84780, 86976, 90432, 94828, 96640, 100480, 108720, 113040, 115968, 118535, 120576, 130464, 135648, 142242, 144960, 150720, 163080, 169560, 173952, 180864, 189656, 193280, 200960, 213363, 217440, 226080, 231936, 237070, 241152, 260928, 271296, 284484, 289920, 301440, 326160, 339120, 347904, 355605, 361728, 379312, 386560, 401920, 426726, 434880, 452160, 474140, 521856, 542592, 568968, 579840, 602880, 640089, 652320, 678240, 695808, 711210, 723456, 758624, 853452, 869760, 904320, 948280, 1043712, 1066815, 1085184, 1137936, 1159680, 1205760, 1280178, 1304640, 1356480, 1422420, 1517248, 1706904, 1739520, 1808640, 1896560, 2087424, 2133630, 2170368, 2275872, 2560356, 2609280, 2712960, 2844840, 3034496, 3200445, 3413808, 3479040, 3617280, 3793120, 4267260, 4551744, 5120712, 5218560, 5425920, 5689680, 6068992, 6400890, 6827616, 7586240, 8534520, 9103488, 10241424, 10437120, 10851840, 11379360, 12137984, 12801780, 13655232, 15172480, 17069040, 18206976, 20482848, 22758720, 25603560, 27310464, 30344960, 34138080, 36413952, 40965696, 45517440, 51207120, 54620928, 60689920, 68276160, 81931392, 91034880, 102414240, 109241856, 136552320, 163862784, 182069760, 204828480, 273104640, 327725568, 409656960, 546209280, 819313920, 1638627840]

約数ペア:

[(1, 1638627840), (2, 819313920), (3, 546209280), (4, 409656960), (5, 327725568), (6, 273104640), (8, 204828480), (9, 182069760), (10, 163862784), (12, 136552320), (15, 109241856), (16, 102414240), (18, 91034880), (20, 81931392), (24, 68276160), (27, 60689920), (30, 54620928), (32, 51207120), (36, 45517440), (40, 40965696), (45, 36413952), (48, 34138080), (54, 30344960), (60, 27310464), (64, 25603560), (72, 22758720), (80, 20482848), (90, 18206976), (96, 17069040), (108, 15172480), (120, 13655232), (128, 12801780), (135, 12137984), (144, 11379360), (151, 10851840), (157, 10437120), (160, 10241424), (180, 9103488), (192, 8534520), (216, 7586240), (240, 6827616), (256, 6400890), (270, 6068992), (288, 5689680), (302, 5425920), (314, 5218560), (320, 5120712), (360, 4551744), (384, 4267260), (432, 3793120), (453, 3617280), (471, 3479040), (480, 3413808), (512, 3200445), (540, 3034496), (576, 2844840), (604, 2712960), (628, 2609280), (640, 2560356), (720, 2275872), (755, 2170368), (768, 2133630), (785, 2087424), (864, 1896560), (906, 1808640), (942, 1739520), (960, 1706904), (1080, 1517248), (1152, 1422420), (1208, 1356480), (1256, 1304640), (1280, 1280178), (1359, 1205760), (1413, 1159680), (1440, 1137936), (1510, 1085184), (1536, 1066815), (1570, 1043712), (1728, 948280), (1812, 904320), (1884, 869760), (1920, 853452), (2160, 758624), (2265, 723456), (2304, 711210), (2355, 695808), (2416, 678240), (2512, 652320), (2560, 640089), (2718, 602880), (2826, 579840), (2880, 568968), (3020, 542592), (3140, 521856), (3456, 474140), (3624, 452160), (3768, 434880), (3840, 426726), (4077, 401920), (4239, 386560), (4320, 379312), (4530, 361728), (4608, 355605), (4710, 347904), (4832, 339120), (5024, 326160), (5436, 301440), (5652, 289920), (5760, 284484), (6040, 271296), (6280, 260928), (6795, 241152), (6912, 237070), (7065, 231936), (7248, 226080), (7536, 217440), (7680, 213363), (8154, 200960), (8478, 193280), (8640, 189656), (9060, 180864), (9420, 173952), (9664, 169560), (10048, 163080), (10872, 150720), (11304, 144960), (11520, 142242), (12080, 135648), (12560, 130464), (13590, 120576), (13824, 118535), (14130, 115968), (14496, 113040), (15072, 108720), (16308, 100480), (16956, 96640), (17280, 94828), (18120, 90432), (18840, 86976), (19328, 84780), (20096, 81540), (20385, 80384), (21195, 77312), (21744, 75360), (22608, 72480), (23040, 71121), (23707, 69120), (24160, 67824), (25120, 65232), (27180, 60288), (28260, 57984), (28992, 56520), (30144, 54360), (32616, 50240), (33912, 48320), (34560, 47414), (36240, 45216), (37680, 43488), (38656, 42390), (40192, 40770)]