647815680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:967

約数の個数: 240

約数和(自身を含む): 2318494464

約数和(自身を除く): 1670678784

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, 512, 558, 576, 620, 640, 720, 744, 768, 907, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1536, 1814, 1860, 1920, 1984, 2232, 2304, 2480, 2560, 2721, 2790, 2880, 2976, 3628, 3720, 3840, 3968, 4464, 4535, 4608, 4960, 5442, 5580, 5760, 5952, 7256, 7440, 7680, 7936, 8163, 8928, 9070, 9920, 10884, 11160, 11520, 11904, 13605, 14512, 14880, 15872, 16326, 17856, 18140, 19840, 21768, 22320, 23040, 23808, 27210, 28117, 29024, 29760, 32652, 35712, 36280, 39680, 40815, 43536, 44640, 47616, 54420, 56234, 58048, 59520, 65304, 71424, 72560, 79360, 81630, 84351, 87072, 89280, 108840, 112468, 116096, 119040, 130608, 140585, 142848, 145120, 163260, 168702, 174144, 178560, 217680, 224936, 232192, 238080, 253053, 261216, 281170, 290240, 326520, 337404, 348288, 357120, 421755, 435360, 449872, 464384, 506106, 522432, 562340, 580480, 653040, 674808, 696576, 714240, 843510, 870720, 899744, 1012212, 1044864, 1124680, 1160960, 1265265, 1306080, 1349616, 1393152, 1687020, 1741440, 1799488, 2024424, 2089728, 2249360, 2321920, 2530530, 2612160, 2699232, 3374040, 3482880, 3598976, 4048848, 4179456, 4498720, 5061060, 5224320, 5398464, 6748080, 6965760, 7197952, 8097696, 8997440, 10122120, 10448640, 10796928, 13496160, 14395904, 16195392, 17994880, 20244240, 20897280, 21593856, 26992320, 32390784, 35989760, 40488480, 43187712, 53984640, 64781568, 71979520, 80976960, 107969280, 129563136, 161953920, 215938560, 323907840, 647815680]

約数ペア:

[(1, 647815680), (2, 323907840), (3, 215938560), (4, 161953920), (5, 129563136), (6, 107969280), (8, 80976960), (9, 71979520), (10, 64781568), (12, 53984640), (15, 43187712), (16, 40488480), (18, 35989760), (20, 32390784), (24, 26992320), (30, 21593856), (31, 20897280), (32, 20244240), (36, 17994880), (40, 16195392), (45, 14395904), (48, 13496160), (60, 10796928), (62, 10448640), (64, 10122120), (72, 8997440), (80, 8097696), (90, 7197952), (93, 6965760), (96, 6748080), (120, 5398464), (124, 5224320), (128, 5061060), (144, 4498720), (155, 4179456), (160, 4048848), (180, 3598976), (186, 3482880), (192, 3374040), (240, 2699232), (248, 2612160), (256, 2530530), (279, 2321920), (288, 2249360), (310, 2089728), (320, 2024424), (360, 1799488), (372, 1741440), (384, 1687020), (465, 1393152), (480, 1349616), (496, 1306080), (512, 1265265), (558, 1160960), (576, 1124680), (620, 1044864), (640, 1012212), (720, 899744), (744, 870720), (768, 843510), (907, 714240), (930, 696576), (960, 674808), (992, 653040), (1116, 580480), (1152, 562340), (1240, 522432), (1280, 506106), (1395, 464384), (1440, 449872), (1488, 435360), (1536, 421755), (1814, 357120), (1860, 348288), (1920, 337404), (1984, 326520), (2232, 290240), (2304, 281170), (2480, 261216), (2560, 253053), (2721, 238080), (2790, 232192), (2880, 224936), (2976, 217680), (3628, 178560), (3720, 174144), (3840, 168702), (3968, 163260), (4464, 145120), (4535, 142848), (4608, 140585), (4960, 130608), (5442, 119040), (5580, 116096), (5760, 112468), (5952, 108840), (7256, 89280), (7440, 87072), (7680, 84351), (7936, 81630), (8163, 79360), (8928, 72560), (9070, 71424), (9920, 65304), (10884, 59520), (11160, 58048), (11520, 56234), (11904, 54420), (13605, 47616), (14512, 44640), (14880, 43536), (15872, 40815), (16326, 39680), (17856, 36280), (18140, 35712), (19840, 32652), (21768, 29760), (22320, 29024), (23040, 28117), (23808, 27210)]