261128448

素因数分解:

$2^8\times 3^4\times 7^2\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 270

約数和(自身を含む): 909286686

約数和(自身を除く): 648158238

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 81, 84, 96, 98, 108, 112, 126, 128, 144, 147, 162, 168, 189, 192, 196, 216, 224, 252, 256, 257, 288, 294, 324, 336, 378, 384, 392, 432, 441, 448, 504, 514, 567, 576, 588, 648, 672, 756, 768, 771, 784, 864, 882, 896, 1008, 1028, 1134, 1152, 1176, 1296, 1323, 1344, 1512, 1542, 1568, 1728, 1764, 1792, 1799, 2016, 2056, 2268, 2304, 2313, 2352, 2592, 2646, 2688, 3024, 3084, 3136, 3456, 3528, 3598, 3969, 4032, 4112, 4536, 4626, 4704, 5184, 5292, 5376, 5397, 6048, 6168, 6272, 6912, 6939, 7056, 7196, 7938, 8064, 8224, 9072, 9252, 9408, 10368, 10584, 10794, 12096, 12336, 12544, 12593, 13878, 14112, 14392, 15876, 16128, 16191, 16448, 18144, 18504, 18816, 20736, 20817, 21168, 21588, 24192, 24672, 25186, 27756, 28224, 28784, 31752, 32382, 32896, 36288, 37008, 37632, 37779, 41634, 42336, 43176, 48384, 48573, 49344, 50372, 55512, 56448, 57568, 63504, 64764, 65792, 72576, 74016, 75558, 83268, 84672, 86352, 97146, 98688, 100744, 111024, 112896, 113337, 115136, 127008, 129528, 145152, 145719, 148032, 151116, 166536, 169344, 172704, 194292, 197376, 201488, 222048, 226674, 230272, 254016, 259056, 291438, 296064, 302232, 333072, 338688, 340011, 345408, 388584, 402976, 444096, 453348, 460544, 508032, 518112, 582876, 592128, 604464, 666144, 680022, 690816, 777168, 805952, 888192, 906696, 1016064, 1020033, 1036224, 1165752, 1208928, 1332288, 1360044, 1381632, 1554336, 1611904, 1776384, 1813392, 2040066, 2072448, 2331504, 2417856, 2664576, 2720088, 3108672, 3223808, 3626784, 4080132, 4144896, 4663008, 4835712, 5329152, 5440176, 6217344, 7253568, 8160264, 9326016, 9671424, 10880352, 12434688, 14507136, 16320528, 18652032, 21760704, 29014272, 32641056, 37304064, 43521408, 65282112, 87042816, 130564224, 261128448]

約数ペア:

[(1, 261128448), (2, 130564224), (3, 87042816), (4, 65282112), (6, 43521408), (7, 37304064), (8, 32641056), (9, 29014272), (12, 21760704), (14, 18652032), (16, 16320528), (18, 14507136), (21, 12434688), (24, 10880352), (27, 9671424), (28, 9326016), (32, 8160264), (36, 7253568), (42, 6217344), (48, 5440176), (49, 5329152), (54, 4835712), (56, 4663008), (63, 4144896), (64, 4080132), (72, 3626784), (81, 3223808), (84, 3108672), (96, 2720088), (98, 2664576), (108, 2417856), (112, 2331504), (126, 2072448), (128, 2040066), (144, 1813392), (147, 1776384), (162, 1611904), (168, 1554336), (189, 1381632), (192, 1360044), (196, 1332288), (216, 1208928), (224, 1165752), (252, 1036224), (256, 1020033), (257, 1016064), (288, 906696), (294, 888192), (324, 805952), (336, 777168), (378, 690816), (384, 680022), (392, 666144), (432, 604464), (441, 592128), (448, 582876), (504, 518112), (514, 508032), (567, 460544), (576, 453348), (588, 444096), (648, 402976), (672, 388584), (756, 345408), (768, 340011), (771, 338688), (784, 333072), (864, 302232), (882, 296064), (896, 291438), (1008, 259056), (1028, 254016), (1134, 230272), (1152, 226674), (1176, 222048), (1296, 201488), (1323, 197376), (1344, 194292), (1512, 172704), (1542, 169344), (1568, 166536), (1728, 151116), (1764, 148032), (1792, 145719), (1799, 145152), (2016, 129528), (2056, 127008), (2268, 115136), (2304, 113337), (2313, 112896), (2352, 111024), (2592, 100744), (2646, 98688), (2688, 97146), (3024, 86352), (3084, 84672), (3136, 83268), (3456, 75558), (3528, 74016), (3598, 72576), (3969, 65792), (4032, 64764), (4112, 63504), (4536, 57568), (4626, 56448), (4704, 55512), (5184, 50372), (5292, 49344), (5376, 48573), (5397, 48384), (6048, 43176), (6168, 42336), (6272, 41634), (6912, 37779), (6939, 37632), (7056, 37008), (7196, 36288), (7938, 32896), (8064, 32382), (8224, 31752), (9072, 28784), (9252, 28224), (9408, 27756), (10368, 25186), (10584, 24672), (10794, 24192), (12096, 21588), (12336, 21168), (12544, 20817), (12593, 20736), (13878, 18816), (14112, 18504), (14392, 18144), (15876, 16448), (16128, 16191)]