258409440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 240

約数和(自身を含む): 925005312

約数和(自身を除く): 666595872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 127, 135, 144, 157, 160, 162, 180, 216, 240, 254, 270, 288, 314, 324, 360, 381, 405, 432, 471, 480, 508, 540, 628, 635, 648, 720, 762, 785, 810, 864, 942, 1016, 1080, 1143, 1256, 1270, 1296, 1413, 1440, 1524, 1570, 1620, 1884, 1905, 2032, 2160, 2286, 2355, 2512, 2540, 2592, 2826, 3048, 3140, 3240, 3429, 3768, 3810, 4064, 4239, 4320, 4572, 4710, 5024, 5080, 5652, 5715, 6096, 6280, 6480, 6858, 7065, 7536, 7620, 8478, 9144, 9420, 10160, 10287, 11304, 11430, 12192, 12560, 12717, 12960, 13716, 14130, 15072, 15240, 16956, 17145, 18288, 18840, 19939, 20320, 20574, 21195, 22608, 22860, 25120, 25434, 27432, 28260, 30480, 33912, 34290, 36576, 37680, 39878, 41148, 42390, 45216, 45720, 50868, 51435, 54864, 56520, 59817, 60960, 63585, 67824, 68580, 75360, 79756, 82296, 84780, 91440, 99695, 101736, 102870, 109728, 113040, 119634, 127170, 135648, 137160, 159512, 164592, 169560, 179451, 182880, 199390, 203472, 205740, 226080, 239268, 254340, 274320, 299085, 319024, 329184, 339120, 358902, 398780, 406944, 411480, 478536, 508680, 538353, 548640, 598170, 638048, 678240, 717804, 797560, 822960, 897255, 957072, 1017360, 1076706, 1196340, 1435608, 1595120, 1615059, 1645920, 1794510, 1914144, 2034720, 2153412, 2392680, 2691765, 2871216, 3190240, 3230118, 3589020, 4306824, 4785360, 5383530, 5742432, 6460236, 7178040, 8075295, 8613648, 9570720, 10767060, 12920472, 14356080, 16150590, 17227296, 21534120, 25840944, 28712160, 32301180, 43068240, 51681888, 64602360, 86136480, 129204720, 258409440]

約数ペア:

[(1, 258409440), (2, 129204720), (3, 86136480), (4, 64602360), (5, 51681888), (6, 43068240), (8, 32301180), (9, 28712160), (10, 25840944), (12, 21534120), (15, 17227296), (16, 16150590), (18, 14356080), (20, 12920472), (24, 10767060), (27, 9570720), (30, 8613648), (32, 8075295), (36, 7178040), (40, 6460236), (45, 5742432), (48, 5383530), (54, 4785360), (60, 4306824), (72, 3589020), (80, 3230118), (81, 3190240), (90, 2871216), (96, 2691765), (108, 2392680), (120, 2153412), (127, 2034720), (135, 1914144), (144, 1794510), (157, 1645920), (160, 1615059), (162, 1595120), (180, 1435608), (216, 1196340), (240, 1076706), (254, 1017360), (270, 957072), (288, 897255), (314, 822960), (324, 797560), (360, 717804), (381, 678240), (405, 638048), (432, 598170), (471, 548640), (480, 538353), (508, 508680), (540, 478536), (628, 411480), (635, 406944), (648, 398780), (720, 358902), (762, 339120), (785, 329184), (810, 319024), (864, 299085), (942, 274320), (1016, 254340), (1080, 239268), (1143, 226080), (1256, 205740), (1270, 203472), (1296, 199390), (1413, 182880), (1440, 179451), (1524, 169560), (1570, 164592), (1620, 159512), (1884, 137160), (1905, 135648), (2032, 127170), (2160, 119634), (2286, 113040), (2355, 109728), (2512, 102870), (2540, 101736), (2592, 99695), (2826, 91440), (3048, 84780), (3140, 82296), (3240, 79756), (3429, 75360), (3768, 68580), (3810, 67824), (4064, 63585), (4239, 60960), (4320, 59817), (4572, 56520), (4710, 54864), (5024, 51435), (5080, 50868), (5652, 45720), (5715, 45216), (6096, 42390), (6280, 41148), (6480, 39878), (6858, 37680), (7065, 36576), (7536, 34290), (7620, 33912), (8478, 30480), (9144, 28260), (9420, 27432), (10160, 25434), (10287, 25120), (11304, 22860), (11430, 22608), (12192, 21195), (12560, 20574), (12717, 20320), (12960, 19939), (13716, 18840), (14130, 18288), (15072, 17145), (15240, 16956)]