281351040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 963532800

約数和(自身を除く): 682181760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 31, 32, 40, 48, 58, 60, 62, 64, 80, 87, 93, 96, 116, 120, 124, 128, 145, 155, 160, 163, 174, 186, 192, 232, 240, 248, 290, 310, 320, 326, 348, 372, 384, 435, 464, 465, 480, 489, 496, 580, 620, 640, 652, 696, 744, 815, 870, 899, 928, 930, 960, 978, 992, 1160, 1240, 1304, 1392, 1488, 1630, 1740, 1798, 1856, 1860, 1920, 1956, 1984, 2320, 2445, 2480, 2608, 2697, 2784, 2976, 3260, 3480, 3596, 3712, 3720, 3912, 3968, 4495, 4640, 4727, 4890, 4960, 5053, 5216, 5394, 5568, 5952, 6520, 6960, 7192, 7440, 7824, 8990, 9280, 9454, 9780, 9920, 10106, 10432, 10788, 11136, 11904, 13040, 13485, 13920, 14181, 14384, 14880, 15159, 15648, 17980, 18560, 18908, 19560, 19840, 20212, 20864, 21576, 23635, 25265, 26080, 26970, 27840, 28362, 28768, 29760, 30318, 31296, 35960, 37816, 39120, 40424, 43152, 47270, 50530, 52160, 53940, 55680, 56724, 57536, 59520, 60636, 62592, 70905, 71920, 75632, 75795, 78240, 80848, 86304, 94540, 101060, 104320, 107880, 113448, 115072, 121272, 141810, 143840, 146537, 151264, 151590, 156480, 161696, 172608, 189080, 202120, 215760, 226896, 242544, 283620, 287680, 293074, 302528, 303180, 312960, 323392, 345216, 378160, 404240, 431520, 439611, 453792, 485088, 567240, 575360, 586148, 605056, 606360, 646784, 732685, 756320, 808480, 863040, 879222, 907584, 970176, 1134480, 1172296, 1212720, 1465370, 1512640, 1616960, 1726080, 1758444, 1815168, 1940352, 2198055, 2268960, 2344592, 2425440, 2930740, 3025280, 3233920, 3516888, 4396110, 4537920, 4689184, 4850880, 5861480, 7033776, 8792220, 9075840, 9378368, 9701760, 11722960, 14067552, 17584440, 18756736, 23445920, 28135104, 35168880, 46891840, 56270208, 70337760, 93783680, 140675520, 281351040]

約数ペア:

[(1, 281351040), (2, 140675520), (3, 93783680), (4, 70337760), (5, 56270208), (6, 46891840), (8, 35168880), (10, 28135104), (12, 23445920), (15, 18756736), (16, 17584440), (20, 14067552), (24, 11722960), (29, 9701760), (30, 9378368), (31, 9075840), (32, 8792220), (40, 7033776), (48, 5861480), (58, 4850880), (60, 4689184), (62, 4537920), (64, 4396110), (80, 3516888), (87, 3233920), (93, 3025280), (96, 2930740), (116, 2425440), (120, 2344592), (124, 2268960), (128, 2198055), (145, 1940352), (155, 1815168), (160, 1758444), (163, 1726080), (174, 1616960), (186, 1512640), (192, 1465370), (232, 1212720), (240, 1172296), (248, 1134480), (290, 970176), (310, 907584), (320, 879222), (326, 863040), (348, 808480), (372, 756320), (384, 732685), (435, 646784), (464, 606360), (465, 605056), (480, 586148), (489, 575360), (496, 567240), (580, 485088), (620, 453792), (640, 439611), (652, 431520), (696, 404240), (744, 378160), (815, 345216), (870, 323392), (899, 312960), (928, 303180), (930, 302528), (960, 293074), (978, 287680), (992, 283620), (1160, 242544), (1240, 226896), (1304, 215760), (1392, 202120), (1488, 189080), (1630, 172608), (1740, 161696), (1798, 156480), (1856, 151590), (1860, 151264), (1920, 146537), (1956, 143840), (1984, 141810), (2320, 121272), (2445, 115072), (2480, 113448), (2608, 107880), (2697, 104320), (2784, 101060), (2976, 94540), (3260, 86304), (3480, 80848), (3596, 78240), (3712, 75795), (3720, 75632), (3912, 71920), (3968, 70905), (4495, 62592), (4640, 60636), (4727, 59520), (4890, 57536), (4960, 56724), (5053, 55680), (5216, 53940), (5394, 52160), (5568, 50530), (5952, 47270), (6520, 43152), (6960, 40424), (7192, 39120), (7440, 37816), (7824, 35960), (8990, 31296), (9280, 30318), (9454, 29760), (9780, 28768), (9920, 28362), (10106, 27840), (10432, 26970), (10788, 26080), (11136, 25265), (11904, 23635), (13040, 21576), (13485, 20864), (13920, 20212), (14181, 19840), (14384, 19560), (14880, 18908), (15159, 18560), (15648, 17980)]