261296784

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:214

約数の個数: 240

約数和(自身を含む): 876051072

約数和(自身を除く): 614754288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 53, 56, 63, 67, 72, 73, 84, 106, 112, 126, 134, 144, 146, 159, 168, 201, 212, 219, 252, 268, 292, 318, 336, 371, 402, 424, 438, 469, 477, 504, 511, 536, 584, 603, 636, 657, 742, 804, 848, 876, 938, 954, 1008, 1022, 1072, 1113, 1168, 1206, 1272, 1314, 1407, 1484, 1533, 1608, 1752, 1876, 1908, 2044, 2226, 2412, 2544, 2628, 2814, 2968, 3066, 3216, 3339, 3504, 3551, 3752, 3816, 3869, 4088, 4221, 4452, 4599, 4824, 4891, 5256, 5628, 5936, 6132, 6678, 7102, 7504, 7632, 7738, 8176, 8442, 8904, 9198, 9648, 9782, 10512, 10653, 11256, 11607, 12264, 13356, 14204, 14673, 15476, 16884, 17808, 18396, 19564, 21306, 22512, 23214, 24528, 24857, 26712, 27083, 28408, 29346, 30952, 31959, 33768, 34237, 34821, 36792, 39128, 42612, 44019, 46428, 49714, 53424, 54166, 56816, 58692, 61904, 63918, 67536, 68474, 69642, 73584, 74571, 78256, 81249, 85224, 88038, 92856, 99428, 102711, 108332, 117384, 127836, 136948, 139284, 149142, 162498, 170448, 176076, 185712, 198856, 205422, 216664, 223713, 234768, 243747, 255672, 259223, 273896, 278568, 298284, 308133, 324996, 352152, 397712, 410844, 433328, 447426, 487494, 511344, 518446, 547792, 557136, 596568, 616266, 649992, 704304, 777669, 821688, 894852, 974988, 1036892, 1193136, 1232532, 1299984, 1555338, 1643376, 1789704, 1814561, 1949976, 2073784, 2333007, 2465064, 3110676, 3579408, 3629122, 3899952, 4147568, 4666014, 4930128, 5443683, 6221352, 7258244, 9332028, 10887366, 12442704, 14516488, 16331049, 18664056, 21774732, 29032976, 32662098, 37328112, 43549464, 65324196, 87098928, 130648392, 261296784]

約数ペア:

[(1, 261296784), (2, 130648392), (3, 87098928), (4, 65324196), (6, 43549464), (7, 37328112), (8, 32662098), (9, 29032976), (12, 21774732), (14, 18664056), (16, 16331049), (18, 14516488), (21, 12442704), (24, 10887366), (28, 9332028), (36, 7258244), (42, 6221352), (48, 5443683), (53, 4930128), (56, 4666014), (63, 4147568), (67, 3899952), (72, 3629122), (73, 3579408), (84, 3110676), (106, 2465064), (112, 2333007), (126, 2073784), (134, 1949976), (144, 1814561), (146, 1789704), (159, 1643376), (168, 1555338), (201, 1299984), (212, 1232532), (219, 1193136), (252, 1036892), (268, 974988), (292, 894852), (318, 821688), (336, 777669), (371, 704304), (402, 649992), (424, 616266), (438, 596568), (469, 557136), (477, 547792), (504, 518446), (511, 511344), (536, 487494), (584, 447426), (603, 433328), (636, 410844), (657, 397712), (742, 352152), (804, 324996), (848, 308133), (876, 298284), (938, 278568), (954, 273896), (1008, 259223), (1022, 255672), (1072, 243747), (1113, 234768), (1168, 223713), (1206, 216664), (1272, 205422), (1314, 198856), (1407, 185712), (1484, 176076), (1533, 170448), (1608, 162498), (1752, 149142), (1876, 139284), (1908, 136948), (2044, 127836), (2226, 117384), (2412, 108332), (2544, 102711), (2628, 99428), (2814, 92856), (2968, 88038), (3066, 85224), (3216, 81249), (3339, 78256), (3504, 74571), (3551, 73584), (3752, 69642), (3816, 68474), (3869, 67536), (4088, 63918), (4221, 61904), (4452, 58692), (4599, 56816), (4824, 54166), (4891, 53424), (5256, 49714), (5628, 46428), (5936, 44019), (6132, 42612), (6678, 39128), (7102, 36792), (7504, 34821), (7632, 34237), (7738, 33768), (8176, 31959), (8442, 30952), (8904, 29346), (9198, 28408), (9648, 27083), (9782, 26712), (10512, 24857), (10653, 24528), (11256, 23214), (11607, 22512), (12264, 21306), (13356, 19564), (14204, 18396), (14673, 17808), (15476, 16884)]