1720247040

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4817}}^1$

素因数の和:4875

約数の個数: 216

約数和(自身を含む): 6145147008

約数和(自身を除く): 4424899968

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, 4817, 4960, 5580, 5760, 5952, 7440, 7936, 8928, 9634, 9920, 11160, 11520, 11904, 14451, 14880, 17856, 19268, 19840, 22320, 23808, 24085, 28902, 29760, 35712, 38536, 39680, 43353, 44640, 48170, 57804, 59520, 71424, 72255, 77072, 86706, 89280, 96340, 115608, 119040, 144510, 149327, 154144, 173412, 178560, 192680, 216765, 231216, 289020, 298654, 308288, 346824, 357120, 385360, 433530, 447981, 462432, 578040, 597308, 616576, 693648, 746635, 770720, 867060, 895962, 924864, 1156080, 1194616, 1233152, 1343943, 1387296, 1493270, 1541440, 1734120, 1791924, 1849728, 2239905, 2312160, 2389232, 2687886, 2774592, 2986540, 3082880, 3468240, 3583848, 3699456, 4479810, 4624320, 4778464, 5375772, 5549184, 5973080, 6165760, 6719715, 6936480, 7167696, 8959620, 9248640, 9556928, 10751544, 11098368, 11946160, 13439430, 13872960, 14335392, 17919240, 18497280, 19113856, 21503088, 23892320, 26878860, 27745920, 28670784, 35838480, 38227712, 43006176, 47784640, 53757720, 55491840, 57341568, 71676960, 86012352, 95569280, 107515440, 114683136, 143353920, 172024704, 191138560, 215030880, 286707840, 344049408, 430061760, 573415680, 860123520, 1720247040]

約数ペア:

[(1, 1720247040), (2, 860123520), (3, 573415680), (4, 430061760), (5, 344049408), (6, 286707840), (8, 215030880), (9, 191138560), (10, 172024704), (12, 143353920), (15, 114683136), (16, 107515440), (18, 95569280), (20, 86012352), (24, 71676960), (30, 57341568), (31, 55491840), (32, 53757720), (36, 47784640), (40, 43006176), (45, 38227712), (48, 35838480), (60, 28670784), (62, 27745920), (64, 26878860), (72, 23892320), (80, 21503088), (90, 19113856), (93, 18497280), (96, 17919240), (120, 14335392), (124, 13872960), (128, 13439430), (144, 11946160), (155, 11098368), (160, 10751544), (180, 9556928), (186, 9248640), (192, 8959620), (240, 7167696), (248, 6936480), (256, 6719715), (279, 6165760), (288, 5973080), (310, 5549184), (320, 5375772), (360, 4778464), (372, 4624320), (384, 4479810), (465, 3699456), (480, 3583848), (496, 3468240), (558, 3082880), (576, 2986540), (620, 2774592), (640, 2687886), (720, 2389232), (744, 2312160), (768, 2239905), (930, 1849728), (960, 1791924), (992, 1734120), (1116, 1541440), (1152, 1493270), (1240, 1387296), (1280, 1343943), (1395, 1233152), (1440, 1194616), (1488, 1156080), (1860, 924864), (1920, 895962), (1984, 867060), (2232, 770720), (2304, 746635), (2480, 693648), (2790, 616576), (2880, 597308), (2976, 578040), (3720, 462432), (3840, 447981), (3968, 433530), (4464, 385360), (4817, 357120), (4960, 346824), (5580, 308288), (5760, 298654), (5952, 289020), (7440, 231216), (7936, 216765), (8928, 192680), (9634, 178560), (9920, 173412), (11160, 154144), (11520, 149327), (11904, 144510), (14451, 119040), (14880, 115608), (17856, 96340), (19268, 89280), (19840, 86706), (22320, 77072), (23808, 72255), (24085, 71424), (28902, 59520), (29760, 57804), (35712, 48170), (38536, 44640), (39680, 43353)]