256090464

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:319

約数の個数: 288

約数和(自身を含む): 910103040

約数和(自身を除く): 654012576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 49, 54, 56, 63, 69, 72, 84, 92, 96, 98, 108, 112, 126, 138, 144, 147, 161, 168, 184, 189, 196, 207, 216, 224, 252, 263, 276, 288, 294, 322, 336, 368, 378, 392, 414, 432, 441, 483, 504, 526, 552, 588, 621, 644, 672, 736, 756, 784, 789, 828, 864, 882, 966, 1008, 1052, 1104, 1127, 1176, 1242, 1288, 1323, 1449, 1512, 1568, 1578, 1656, 1764, 1841, 1932, 2016, 2104, 2208, 2254, 2352, 2367, 2484, 2576, 2646, 2898, 3024, 3156, 3312, 3381, 3528, 3682, 3864, 4208, 4347, 4508, 4704, 4734, 4968, 5152, 5292, 5523, 5796, 6048, 6049, 6312, 6624, 6762, 7056, 7101, 7364, 7728, 8416, 8694, 9016, 9468, 9936, 10143, 10584, 11046, 11592, 12098, 12624, 12887, 13524, 14112, 14202, 14728, 15456, 16569, 17388, 18032, 18147, 18936, 19872, 20286, 21168, 22092, 23184, 24196, 25248, 25774, 27048, 28404, 29456, 30429, 33138, 34776, 36064, 36294, 37872, 38661, 40572, 42336, 42343, 44184, 46368, 48392, 49707, 51548, 54096, 54441, 56808, 58912, 60858, 66276, 69552, 72588, 75744, 77322, 81144, 84686, 88368, 96784, 99414, 103096, 108192, 108882, 113616, 115983, 121716, 127029, 132552, 139104, 145176, 154644, 162288, 163323, 169372, 176736, 193568, 198828, 206192, 217764, 227232, 231966, 243432, 254058, 265104, 290352, 296401, 309288, 324576, 326646, 338744, 347949, 381087, 397656, 412384, 435528, 463932, 486864, 508116, 530208, 580704, 592802, 618576, 653292, 677488, 695898, 762174, 795312, 871056, 889203, 927864, 973728, 1016232, 1143261, 1185604, 1237152, 1306584, 1354976, 1391796, 1524348, 1590624, 1742112, 1778406, 1855728, 2032464, 2286522, 2371208, 2613168, 2667609, 2783592, 3048696, 3556812, 3711456, 4064928, 4573044, 4742416, 5226336, 5335218, 5567184, 6097392, 7113624, 8002827, 9146088, 9484832, 10670436, 11134368, 12194784, 14227248, 16005654, 18292176, 21340872, 28454496, 32011308, 36584352, 42681744, 64022616, 85363488, 128045232, 256090464]

約数ペア:

[(1, 256090464), (2, 128045232), (3, 85363488), (4, 64022616), (6, 42681744), (7, 36584352), (8, 32011308), (9, 28454496), (12, 21340872), (14, 18292176), (16, 16005654), (18, 14227248), (21, 12194784), (23, 11134368), (24, 10670436), (27, 9484832), (28, 9146088), (32, 8002827), (36, 7113624), (42, 6097392), (46, 5567184), (48, 5335218), (49, 5226336), (54, 4742416), (56, 4573044), (63, 4064928), (69, 3711456), (72, 3556812), (84, 3048696), (92, 2783592), (96, 2667609), (98, 2613168), (108, 2371208), (112, 2286522), (126, 2032464), (138, 1855728), (144, 1778406), (147, 1742112), (161, 1590624), (168, 1524348), (184, 1391796), (189, 1354976), (196, 1306584), (207, 1237152), (216, 1185604), (224, 1143261), (252, 1016232), (263, 973728), (276, 927864), (288, 889203), (294, 871056), (322, 795312), (336, 762174), (368, 695898), (378, 677488), (392, 653292), (414, 618576), (432, 592802), (441, 580704), (483, 530208), (504, 508116), (526, 486864), (552, 463932), (588, 435528), (621, 412384), (644, 397656), (672, 381087), (736, 347949), (756, 338744), (784, 326646), (789, 324576), (828, 309288), (864, 296401), (882, 290352), (966, 265104), (1008, 254058), (1052, 243432), (1104, 231966), (1127, 227232), (1176, 217764), (1242, 206192), (1288, 198828), (1323, 193568), (1449, 176736), (1512, 169372), (1568, 163323), (1578, 162288), (1656, 154644), (1764, 145176), (1841, 139104), (1932, 132552), (2016, 127029), (2104, 121716), (2208, 115983), (2254, 113616), (2352, 108882), (2367, 108192), (2484, 103096), (2576, 99414), (2646, 96784), (2898, 88368), (3024, 84686), (3156, 81144), (3312, 77322), (3381, 75744), (3528, 72588), (3682, 69552), (3864, 66276), (4208, 60858), (4347, 58912), (4508, 56808), (4704, 54441), (4734, 54096), (4968, 51548), (5152, 49707), (5292, 48392), (5523, 46368), (5796, 44184), (6048, 42343), (6049, 42336), (6312, 40572), (6624, 38661), (6762, 37872), (7056, 36294), (7101, 36064), (7364, 34776), (7728, 33138), (8416, 30429), (8694, 29456), (9016, 28404), (9468, 27048), (9936, 25774), (10143, 25248), (10584, 24196), (11046, 23184), (11592, 22092), (12098, 21168), (12624, 20286), (12887, 19872), (13524, 18936), (14112, 18147), (14202, 18032), (14728, 17388), (15456, 16569)]