1656679680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4697

約数の個数: 216

約数和(自身を含む): 5918115840

約数和(自身を除く): 4261436160

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, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1860, 1920, 1984, 2232, 2304, 2480, 2790, 2880, 2976, 3720, 3840, 3968, 4464, 4639, 4960, 5580, 5760, 5952, 7440, 7936, 8928, 9278, 9920, 11160, 11520, 11904, 13917, 14880, 17856, 18556, 19840, 22320, 23195, 23808, 27834, 29760, 35712, 37112, 39680, 41751, 44640, 46390, 55668, 59520, 69585, 71424, 74224, 83502, 89280, 92780, 111336, 119040, 139170, 143809, 148448, 167004, 178560, 185560, 208755, 222672, 278340, 287618, 296896, 334008, 357120, 371120, 417510, 431427, 445344, 556680, 575236, 593792, 668016, 719045, 742240, 835020, 862854, 890688, 1113360, 1150472, 1187584, 1294281, 1336032, 1438090, 1484480, 1670040, 1725708, 1781376, 2157135, 2226720, 2300944, 2588562, 2672064, 2876180, 2968960, 3340080, 3451416, 3562752, 4314270, 4453440, 4601888, 5177124, 5344128, 5752360, 5937920, 6471405, 6680160, 6902832, 8628540, 8906880, 9203776, 10354248, 10688256, 11504720, 12942810, 13360320, 13805664, 17257080, 17813760, 18407552, 20708496, 23009440, 25885620, 26720640, 27611328, 34514160, 36815104, 41416992, 46018880, 51771240, 53441280, 55222656, 69028320, 82833984, 92037760, 103542480, 110445312, 138056640, 165667968, 184075520, 207084960, 276113280, 331335936, 414169920, 552226560, 828339840, 1656679680]

約数ペア:

[(1, 1656679680), (2, 828339840), (3, 552226560), (4, 414169920), (5, 331335936), (6, 276113280), (8, 207084960), (9, 184075520), (10, 165667968), (12, 138056640), (15, 110445312), (16, 103542480), (18, 92037760), (20, 82833984), (24, 69028320), (30, 55222656), (31, 53441280), (32, 51771240), (36, 46018880), (40, 41416992), (45, 36815104), (48, 34514160), (60, 27611328), (62, 26720640), (64, 25885620), (72, 23009440), (80, 20708496), (90, 18407552), (93, 17813760), (96, 17257080), (120, 13805664), (124, 13360320), (128, 12942810), (144, 11504720), (155, 10688256), (160, 10354248), (180, 9203776), (186, 8906880), (192, 8628540), (240, 6902832), (248, 6680160), (256, 6471405), (279, 5937920), (288, 5752360), (310, 5344128), (320, 5177124), (360, 4601888), (372, 4453440), (384, 4314270), (465, 3562752), (480, 3451416), (496, 3340080), (558, 2968960), (576, 2876180), (620, 2672064), (640, 2588562), (720, 2300944), (744, 2226720), (768, 2157135), (930, 1781376), (960, 1725708), (992, 1670040), (1116, 1484480), (1152, 1438090), (1240, 1336032), (1280, 1294281), (1395, 1187584), (1440, 1150472), (1488, 1113360), (1860, 890688), (1920, 862854), (1984, 835020), (2232, 742240), (2304, 719045), (2480, 668016), (2790, 593792), (2880, 575236), (2976, 556680), (3720, 445344), (3840, 431427), (3968, 417510), (4464, 371120), (4639, 357120), (4960, 334008), (5580, 296896), (5760, 287618), (5952, 278340), (7440, 222672), (7936, 208755), (8928, 185560), (9278, 178560), (9920, 167004), (11160, 148448), (11520, 143809), (11904, 139170), (13917, 119040), (14880, 111336), (17856, 92780), (18556, 89280), (19840, 83502), (22320, 74224), (23195, 71424), (23808, 69585), (27834, 59520), (29760, 55668), (35712, 46390), (37112, 44640), (39680, 41751)]