656605440

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{2111}}^1$

素因数の和:2147

約数の個数: 216

約数和(自身を含む): 2357042688

約数和(自身を除く): 1700437248

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, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 2111, 2160, 2304, 2430, 2592, 2880, 3240, 3456, 3840, 3888, 4222, 4320, 4860, 5184, 5760, 6333, 6480, 6912, 7776, 8444, 8640, 9720, 10368, 10555, 11520, 12666, 12960, 15552, 16888, 17280, 18999, 19440, 20736, 21110, 25332, 25920, 31104, 31665, 33776, 34560, 37998, 38880, 42220, 50664, 51840, 56997, 62208, 63330, 67552, 75996, 77760, 84440, 94995, 101328, 103680, 113994, 126660, 135104, 151992, 155520, 168880, 170991, 189990, 202656, 227988, 253320, 270208, 284985, 303984, 311040, 337760, 341982, 379980, 405312, 455976, 506640, 512973, 540416, 569970, 607968, 675520, 683964, 759960, 810624, 854955, 911952, 1013280, 1025946, 1139940, 1215936, 1351040, 1367928, 1519920, 1621248, 1709910, 1823904, 2026560, 2051892, 2279880, 2431872, 2564865, 2702080, 2735856, 3039840, 3419820, 3647808, 4053120, 4103784, 4559760, 4863744, 5129730, 5471712, 6079680, 6839640, 7295616, 8106240, 8207568, 9119520, 10259460, 10943424, 12159360, 13679280, 14591232, 16415136, 18239040, 20518920, 21886848, 24318720, 27358560, 32830272, 36478080, 41037840, 43773696, 54717120, 65660544, 72956160, 82075680, 109434240, 131321088, 164151360, 218868480, 328302720, 656605440]

約数ペア:

[(1, 656605440), (2, 328302720), (3, 218868480), (4, 164151360), (5, 131321088), (6, 109434240), (8, 82075680), (9, 72956160), (10, 65660544), (12, 54717120), (15, 43773696), (16, 41037840), (18, 36478080), (20, 32830272), (24, 27358560), (27, 24318720), (30, 21886848), (32, 20518920), (36, 18239040), (40, 16415136), (45, 14591232), (48, 13679280), (54, 12159360), (60, 10943424), (64, 10259460), (72, 9119520), (80, 8207568), (81, 8106240), (90, 7295616), (96, 6839640), (108, 6079680), (120, 5471712), (128, 5129730), (135, 4863744), (144, 4559760), (160, 4103784), (162, 4053120), (180, 3647808), (192, 3419820), (216, 3039840), (240, 2735856), (243, 2702080), (256, 2564865), (270, 2431872), (288, 2279880), (320, 2051892), (324, 2026560), (360, 1823904), (384, 1709910), (405, 1621248), (432, 1519920), (480, 1367928), (486, 1351040), (540, 1215936), (576, 1139940), (640, 1025946), (648, 1013280), (720, 911952), (768, 854955), (810, 810624), (864, 759960), (960, 683964), (972, 675520), (1080, 607968), (1152, 569970), (1215, 540416), (1280, 512973), (1296, 506640), (1440, 455976), (1620, 405312), (1728, 379980), (1920, 341982), (1944, 337760), (2111, 311040), (2160, 303984), (2304, 284985), (2430, 270208), (2592, 253320), (2880, 227988), (3240, 202656), (3456, 189990), (3840, 170991), (3888, 168880), (4222, 155520), (4320, 151992), (4860, 135104), (5184, 126660), (5760, 113994), (6333, 103680), (6480, 101328), (6912, 94995), (7776, 84440), (8444, 77760), (8640, 75996), (9720, 67552), (10368, 63330), (10555, 62208), (11520, 56997), (12666, 51840), (12960, 50664), (15552, 42220), (16888, 38880), (17280, 37998), (18999, 34560), (19440, 33776), (20736, 31665), (21110, 31104), (25332, 25920)]