281502720

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 264

約数和(自身を含む): 1005895800

約数和(自身を除く): 724393080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 144, 149, 160, 164, 180, 192, 205, 240, 246, 256, 288, 298, 320, 328, 360, 369, 384, 410, 447, 480, 492, 512, 576, 596, 615, 640, 656, 720, 738, 745, 768, 820, 894, 960, 984, 1024, 1152, 1192, 1230, 1280, 1312, 1341, 1440, 1476, 1490, 1536, 1640, 1788, 1845, 1920, 1968, 2235, 2304, 2384, 2460, 2560, 2624, 2682, 2880, 2952, 2980, 3072, 3280, 3576, 3690, 3840, 3936, 4470, 4608, 4768, 4920, 5120, 5248, 5364, 5760, 5904, 5960, 6109, 6560, 6705, 7152, 7380, 7680, 7872, 8940, 9216, 9536, 9840, 10496, 10728, 11520, 11808, 11920, 12218, 13120, 13410, 14304, 14760, 15360, 15744, 17880, 18327, 19072, 19680, 20992, 21456, 23040, 23616, 23840, 24436, 26240, 26820, 28608, 29520, 30545, 31488, 35760, 36654, 38144, 39360, 41984, 42912, 46080, 47232, 47680, 48872, 52480, 53640, 54981, 57216, 59040, 61090, 62976, 71520, 73308, 76288, 78720, 85824, 91635, 94464, 95360, 97744, 104960, 107280, 109962, 114432, 118080, 122180, 125952, 143040, 146616, 152576, 157440, 171648, 183270, 188928, 190720, 195488, 209920, 214560, 219924, 228864, 236160, 244360, 274905, 286080, 293232, 314880, 343296, 366540, 377856, 381440, 390976, 429120, 439848, 457728, 472320, 488720, 549810, 572160, 586464, 629760, 686592, 733080, 762880, 781952, 858240, 879696, 944640, 977440, 1099620, 1144320, 1172928, 1373184, 1466160, 1563904, 1716480, 1759392, 1889280, 1954880, 2199240, 2288640, 2345856, 2932320, 3127808, 3432960, 3518784, 3909760, 4398480, 4691712, 5864640, 6255616, 6865920, 7037568, 7819520, 8796960, 9383424, 11729280, 14075136, 15639040, 17593920, 18766848, 23458560, 28150272, 31278080, 35187840, 46917120, 56300544, 70375680, 93834240, 140751360, 281502720]

約数ペア:

[(1, 281502720), (2, 140751360), (3, 93834240), (4, 70375680), (5, 56300544), (6, 46917120), (8, 35187840), (9, 31278080), (10, 28150272), (12, 23458560), (15, 18766848), (16, 17593920), (18, 15639040), (20, 14075136), (24, 11729280), (30, 9383424), (32, 8796960), (36, 7819520), (40, 7037568), (41, 6865920), (45, 6255616), (48, 5864640), (60, 4691712), (64, 4398480), (72, 3909760), (80, 3518784), (82, 3432960), (90, 3127808), (96, 2932320), (120, 2345856), (123, 2288640), (128, 2199240), (144, 1954880), (149, 1889280), (160, 1759392), (164, 1716480), (180, 1563904), (192, 1466160), (205, 1373184), (240, 1172928), (246, 1144320), (256, 1099620), (288, 977440), (298, 944640), (320, 879696), (328, 858240), (360, 781952), (369, 762880), (384, 733080), (410, 686592), (447, 629760), (480, 586464), (492, 572160), (512, 549810), (576, 488720), (596, 472320), (615, 457728), (640, 439848), (656, 429120), (720, 390976), (738, 381440), (745, 377856), (768, 366540), (820, 343296), (894, 314880), (960, 293232), (984, 286080), (1024, 274905), (1152, 244360), (1192, 236160), (1230, 228864), (1280, 219924), (1312, 214560), (1341, 209920), (1440, 195488), (1476, 190720), (1490, 188928), (1536, 183270), (1640, 171648), (1788, 157440), (1845, 152576), (1920, 146616), (1968, 143040), (2235, 125952), (2304, 122180), (2384, 118080), (2460, 114432), (2560, 109962), (2624, 107280), (2682, 104960), (2880, 97744), (2952, 95360), (2980, 94464), (3072, 91635), (3280, 85824), (3576, 78720), (3690, 76288), (3840, 73308), (3936, 71520), (4470, 62976), (4608, 61090), (4768, 59040), (4920, 57216), (5120, 54981), (5248, 53640), (5364, 52480), (5760, 48872), (5904, 47680), (5960, 47232), (6109, 46080), (6560, 42912), (6705, 41984), (7152, 39360), (7380, 38144), (7680, 36654), (7872, 35760), (8940, 31488), (9216, 30545), (9536, 29520), (9840, 28608), (10496, 26820), (10728, 26240), (11520, 24436), (11808, 23840), (11920, 23616), (12218, 23040), (13120, 21456), (13410, 20992), (14304, 19680), (14760, 19072), (15360, 18327), (15744, 17880)]