648529920

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:291

約数の個数: 288

約数和(自身を含む): 2330415360

約数和(自身を除く): 1681885440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 227, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 454, 465, 480, 496, 512, 558, 576, 620, 640, 681, 720, 744, 768, 908, 930, 960, 992, 1024, 1116, 1135, 1152, 1240, 1280, 1362, 1395, 1440, 1488, 1536, 1816, 1860, 1920, 1984, 2043, 2048, 2232, 2270, 2304, 2480, 2560, 2724, 2790, 2880, 2976, 3072, 3405, 3632, 3720, 3840, 3968, 4086, 4464, 4540, 4608, 4960, 5120, 5448, 5580, 5760, 5952, 6144, 6810, 7037, 7264, 7440, 7680, 7936, 8172, 8928, 9080, 9216, 9920, 10215, 10240, 10896, 11160, 11520, 11904, 13620, 14074, 14528, 14880, 15360, 15872, 16344, 17856, 18160, 18432, 19840, 20430, 21111, 21792, 22320, 23040, 23808, 27240, 28148, 29056, 29760, 30720, 31744, 32688, 35185, 35712, 36320, 39680, 40860, 42222, 43584, 44640, 46080, 47616, 54480, 56296, 58112, 59520, 63333, 63488, 65376, 70370, 71424, 72640, 79360, 81720, 84444, 87168, 89280, 92160, 95232, 105555, 108960, 112592, 116224, 119040, 126666, 130752, 140740, 142848, 145280, 158720, 163440, 168888, 174336, 178560, 190464, 211110, 217920, 225184, 232448, 238080, 253332, 261504, 281480, 285696, 290560, 316665, 317440, 326880, 337776, 348672, 357120, 422220, 435840, 450368, 464896, 476160, 506664, 523008, 562960, 571392, 581120, 633330, 653760, 675552, 697344, 714240, 844440, 871680, 900736, 952320, 1013328, 1046016, 1125920, 1162240, 1266660, 1307520, 1351104, 1394688, 1428480, 1688880, 1743360, 1801472, 2026656, 2092032, 2251840, 2324480, 2533320, 2615040, 2702208, 2856960, 3377760, 3486720, 3602944, 4053312, 4184064, 4503680, 5066640, 5230080, 5404416, 6755520, 6973440, 7205888, 8106624, 9007360, 10133280, 10460160, 10808832, 13511040, 14411776, 16213248, 18014720, 20266560, 20920320, 21617664, 27022080, 32426496, 36029440, 40533120, 43235328, 54044160, 64852992, 72058880, 81066240, 108088320, 129705984, 162132480, 216176640, 324264960, 648529920]

約数ペア:

[(1, 648529920), (2, 324264960), (3, 216176640), (4, 162132480), (5, 129705984), (6, 108088320), (8, 81066240), (9, 72058880), (10, 64852992), (12, 54044160), (15, 43235328), (16, 40533120), (18, 36029440), (20, 32426496), (24, 27022080), (30, 21617664), (31, 20920320), (32, 20266560), (36, 18014720), (40, 16213248), (45, 14411776), (48, 13511040), (60, 10808832), (62, 10460160), (64, 10133280), (72, 9007360), (80, 8106624), (90, 7205888), (93, 6973440), (96, 6755520), (120, 5404416), (124, 5230080), (128, 5066640), (144, 4503680), (155, 4184064), (160, 4053312), (180, 3602944), (186, 3486720), (192, 3377760), (227, 2856960), (240, 2702208), (248, 2615040), (256, 2533320), (279, 2324480), (288, 2251840), (310, 2092032), (320, 2026656), (360, 1801472), (372, 1743360), (384, 1688880), (454, 1428480), (465, 1394688), (480, 1351104), (496, 1307520), (512, 1266660), (558, 1162240), (576, 1125920), (620, 1046016), (640, 1013328), (681, 952320), (720, 900736), (744, 871680), (768, 844440), (908, 714240), (930, 697344), (960, 675552), (992, 653760), (1024, 633330), (1116, 581120), (1135, 571392), (1152, 562960), (1240, 523008), (1280, 506664), (1362, 476160), (1395, 464896), (1440, 450368), (1488, 435840), (1536, 422220), (1816, 357120), (1860, 348672), (1920, 337776), (1984, 326880), (2043, 317440), (2048, 316665), (2232, 290560), (2270, 285696), (2304, 281480), (2480, 261504), (2560, 253332), (2724, 238080), (2790, 232448), (2880, 225184), (2976, 217920), (3072, 211110), (3405, 190464), (3632, 178560), (3720, 174336), (3840, 168888), (3968, 163440), (4086, 158720), (4464, 145280), (4540, 142848), (4608, 140740), (4960, 130752), (5120, 126666), (5448, 119040), (5580, 116224), (5760, 112592), (5952, 108960), (6144, 105555), (6810, 95232), (7037, 92160), (7264, 89280), (7440, 87168), (7680, 84444), (7936, 81720), (8172, 79360), (8928, 72640), (9080, 71424), (9216, 70370), (9920, 65376), (10215, 63488), (10240, 63333), (10896, 59520), (11160, 58112), (11520, 56296), (11904, 54480), (13620, 47616), (14074, 46080), (14528, 44640), (14880, 43584), (15360, 42222), (15872, 40860), (16344, 39680), (17856, 36320), (18160, 35712), (18432, 35185), (19840, 32688), (20430, 31744), (21111, 30720), (21792, 29760), (22320, 29056), (23040, 28148), (23808, 27240)]