257880672

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:323

約数の個数: 240

約数和(自身を含む): 884755872

約数和(自身を除く): 626875200

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 61, 63, 72, 81, 84, 96, 108, 112, 122, 126, 144, 162, 168, 183, 189, 216, 224, 233, 244, 252, 288, 324, 336, 366, 378, 427, 432, 466, 488, 504, 549, 567, 648, 672, 699, 732, 756, 854, 864, 932, 976, 1008, 1098, 1134, 1281, 1296, 1398, 1464, 1512, 1631, 1647, 1708, 1864, 1952, 2016, 2097, 2196, 2268, 2562, 2592, 2796, 2928, 3024, 3262, 3294, 3416, 3728, 3843, 4194, 4392, 4536, 4893, 4941, 5124, 5592, 5856, 6048, 6291, 6524, 6588, 6832, 7456, 7686, 8388, 8784, 9072, 9786, 9882, 10248, 11184, 11529, 12582, 13048, 13176, 13664, 14213, 14679, 15372, 16776, 17568, 18144, 18873, 19572, 19764, 20496, 22368, 23058, 25164, 26096, 26352, 28426, 29358, 30744, 33552, 34587, 37746, 39144, 39528, 40992, 42639, 44037, 46116, 50328, 52192, 52704, 56852, 58716, 61488, 67104, 69174, 75492, 78288, 79056, 85278, 88074, 92232, 99491, 100656, 113704, 117432, 122976, 127917, 132111, 138348, 150984, 156576, 158112, 170556, 176148, 184464, 198982, 201312, 227408, 234864, 255834, 264222, 276696, 298473, 301968, 341112, 352296, 368928, 383751, 397964, 454816, 469728, 511668, 528444, 553392, 596946, 603936, 682224, 704592, 767502, 795928, 895419, 1023336, 1056888, 1106784, 1151253, 1193892, 1364448, 1409184, 1535004, 1591856, 1790838, 2046672, 2113776, 2302506, 2387784, 2686257, 3070008, 3183712, 3581676, 4093344, 4227552, 4605012, 4775568, 5372514, 6140016, 7163352, 8058771, 9210024, 9551136, 10745028, 12280032, 14326704, 16117542, 18420048, 21490056, 28653408, 32235084, 36840096, 42980112, 64470168, 85960224, 128940336, 257880672]

約数ペア:

[(1, 257880672), (2, 128940336), (3, 85960224), (4, 64470168), (6, 42980112), (7, 36840096), (8, 32235084), (9, 28653408), (12, 21490056), (14, 18420048), (16, 16117542), (18, 14326704), (21, 12280032), (24, 10745028), (27, 9551136), (28, 9210024), (32, 8058771), (36, 7163352), (42, 6140016), (48, 5372514), (54, 4775568), (56, 4605012), (61, 4227552), (63, 4093344), (72, 3581676), (81, 3183712), (84, 3070008), (96, 2686257), (108, 2387784), (112, 2302506), (122, 2113776), (126, 2046672), (144, 1790838), (162, 1591856), (168, 1535004), (183, 1409184), (189, 1364448), (216, 1193892), (224, 1151253), (233, 1106784), (244, 1056888), (252, 1023336), (288, 895419), (324, 795928), (336, 767502), (366, 704592), (378, 682224), (427, 603936), (432, 596946), (466, 553392), (488, 528444), (504, 511668), (549, 469728), (567, 454816), (648, 397964), (672, 383751), (699, 368928), (732, 352296), (756, 341112), (854, 301968), (864, 298473), (932, 276696), (976, 264222), (1008, 255834), (1098, 234864), (1134, 227408), (1281, 201312), (1296, 198982), (1398, 184464), (1464, 176148), (1512, 170556), (1631, 158112), (1647, 156576), (1708, 150984), (1864, 138348), (1952, 132111), (2016, 127917), (2097, 122976), (2196, 117432), (2268, 113704), (2562, 100656), (2592, 99491), (2796, 92232), (2928, 88074), (3024, 85278), (3262, 79056), (3294, 78288), (3416, 75492), (3728, 69174), (3843, 67104), (4194, 61488), (4392, 58716), (4536, 56852), (4893, 52704), (4941, 52192), (5124, 50328), (5592, 46116), (5856, 44037), (6048, 42639), (6291, 40992), (6524, 39528), (6588, 39144), (6832, 37746), (7456, 34587), (7686, 33552), (8388, 30744), (8784, 29358), (9072, 28426), (9786, 26352), (9882, 26096), (10248, 25164), (11184, 23058), (11529, 22368), (12582, 20496), (13048, 19764), (13176, 19572), (13664, 18873), (14213, 18144), (14679, 17568), (15372, 16776)]