217136640

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{577}}^1$

素因数の和:617

約数の個数: 240

約数和(自身を含む): 808890192

約数和(自身を除く): 591753552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 577, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1154, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1731, 1792, 1920, 1960, 2240, 2308, 2352, 2560, 2688, 2885, 2940, 3136, 3360, 3462, 3584, 3840, 3920, 4039, 4480, 4616, 4704, 5376, 5770, 5880, 6272, 6720, 6924, 7680, 7840, 8078, 8655, 8960, 9232, 9408, 10752, 11540, 11760, 12117, 12544, 13440, 13848, 15680, 16156, 17310, 17920, 18464, 18816, 20195, 23080, 23520, 24234, 25088, 26880, 27696, 28273, 31360, 32312, 34620, 36928, 37632, 40390, 46160, 47040, 48468, 53760, 55392, 56546, 60585, 62720, 64624, 69240, 73856, 75264, 80780, 84819, 92320, 94080, 96936, 110784, 113092, 121170, 125440, 129248, 138480, 141365, 147712, 161560, 169638, 184640, 188160, 193872, 221568, 226184, 242340, 258496, 276960, 282730, 295424, 323120, 339276, 369280, 376320, 387744, 424095, 443136, 452368, 484680, 516992, 553920, 565460, 646240, 678552, 738560, 775488, 848190, 886272, 904736, 969360, 1033984, 1107840, 1130920, 1292480, 1357104, 1477120, 1550976, 1696380, 1809472, 1938720, 2067968, 2215680, 2261840, 2584960, 2714208, 3101952, 3392760, 3618944, 3877440, 4431360, 4523680, 5169920, 5428416, 6203904, 6785520, 7237888, 7754880, 9047360, 10339840, 10856832, 13571040, 14475776, 15509760, 18094720, 21713664, 27142080, 31019520, 36189440, 43427328, 54284160, 72378880, 108568320, 217136640]

約数ペア:

[(1, 217136640), (2, 108568320), (3, 72378880), (4, 54284160), (5, 43427328), (6, 36189440), (7, 31019520), (8, 27142080), (10, 21713664), (12, 18094720), (14, 15509760), (15, 14475776), (16, 13571040), (20, 10856832), (21, 10339840), (24, 9047360), (28, 7754880), (30, 7237888), (32, 6785520), (35, 6203904), (40, 5428416), (42, 5169920), (48, 4523680), (49, 4431360), (56, 3877440), (60, 3618944), (64, 3392760), (70, 3101952), (80, 2714208), (84, 2584960), (96, 2261840), (98, 2215680), (105, 2067968), (112, 1938720), (120, 1809472), (128, 1696380), (140, 1550976), (147, 1477120), (160, 1357104), (168, 1292480), (192, 1130920), (196, 1107840), (210, 1033984), (224, 969360), (240, 904736), (245, 886272), (256, 848190), (280, 775488), (294, 738560), (320, 678552), (336, 646240), (384, 565460), (392, 553920), (420, 516992), (448, 484680), (480, 452368), (490, 443136), (512, 424095), (560, 387744), (577, 376320), (588, 369280), (640, 339276), (672, 323120), (735, 295424), (768, 282730), (784, 276960), (840, 258496), (896, 242340), (960, 226184), (980, 221568), (1120, 193872), (1154, 188160), (1176, 184640), (1280, 169638), (1344, 161560), (1470, 147712), (1536, 141365), (1568, 138480), (1680, 129248), (1731, 125440), (1792, 121170), (1920, 113092), (1960, 110784), (2240, 96936), (2308, 94080), (2352, 92320), (2560, 84819), (2688, 80780), (2885, 75264), (2940, 73856), (3136, 69240), (3360, 64624), (3462, 62720), (3584, 60585), (3840, 56546), (3920, 55392), (4039, 53760), (4480, 48468), (4616, 47040), (4704, 46160), (5376, 40390), (5770, 37632), (5880, 36928), (6272, 34620), (6720, 32312), (6924, 31360), (7680, 28273), (7840, 27696), (8078, 26880), (8655, 25088), (8960, 24234), (9232, 23520), (9408, 23080), (10752, 20195), (11540, 18816), (11760, 18464), (12117, 17920), (12544, 17310), (13440, 16156), (13848, 15680)]