257681088

素因数分解:

$2^6\times 3^7\times 7^1\times {\mathrm{263}}^1$

素因数の和:303

約数の個数: 224

約数和(自身を含む): 879774720

約数和(自身を除く): 622093632

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, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 243, 252, 263, 288, 324, 336, 378, 432, 448, 486, 504, 526, 567, 576, 648, 672, 729, 756, 789, 864, 972, 1008, 1052, 1134, 1296, 1344, 1458, 1512, 1578, 1701, 1728, 1841, 1944, 2016, 2104, 2187, 2268, 2367, 2592, 2916, 3024, 3156, 3402, 3682, 3888, 4032, 4208, 4374, 4536, 4734, 5103, 5184, 5523, 5832, 6048, 6312, 6804, 7101, 7364, 7776, 8416, 8748, 9072, 9468, 10206, 11046, 11664, 12096, 12624, 13608, 14202, 14728, 15309, 15552, 16569, 16832, 17496, 18144, 18936, 20412, 21303, 22092, 23328, 25248, 27216, 28404, 29456, 30618, 33138, 34992, 36288, 37872, 40824, 42606, 44184, 46656, 49707, 50496, 54432, 56808, 58912, 61236, 63909, 66276, 69984, 75744, 81648, 85212, 88368, 99414, 108864, 113616, 117824, 122472, 127818, 132552, 139968, 149121, 151488, 163296, 170424, 176736, 191727, 198828, 227232, 244944, 255636, 265104, 298242, 326592, 340848, 353472, 383454, 397656, 447363, 454464, 489888, 511272, 530208, 575181, 596484, 681696, 766908, 795312, 894726, 979776, 1022544, 1060416, 1150362, 1192968, 1342089, 1363392, 1533816, 1590624, 1789452, 2045088, 2300724, 2385936, 2684178, 3067632, 3181248, 3578904, 4026267, 4090176, 4601448, 4771872, 5368356, 6135264, 7157808, 8052534, 9202896, 9543744, 10736712, 12270528, 14315616, 16105068, 18405792, 21473424, 28631232, 32210136, 36811584, 42946848, 64420272, 85893696, 128840544, 257681088]

約数ペア:

[(1, 257681088), (2, 128840544), (3, 85893696), (4, 64420272), (6, 42946848), (7, 36811584), (8, 32210136), (9, 28631232), (12, 21473424), (14, 18405792), (16, 16105068), (18, 14315616), (21, 12270528), (24, 10736712), (27, 9543744), (28, 9202896), (32, 8052534), (36, 7157808), (42, 6135264), (48, 5368356), (54, 4771872), (56, 4601448), (63, 4090176), (64, 4026267), (72, 3578904), (81, 3181248), (84, 3067632), (96, 2684178), (108, 2385936), (112, 2300724), (126, 2045088), (144, 1789452), (162, 1590624), (168, 1533816), (189, 1363392), (192, 1342089), (216, 1192968), (224, 1150362), (243, 1060416), (252, 1022544), (263, 979776), (288, 894726), (324, 795312), (336, 766908), (378, 681696), (432, 596484), (448, 575181), (486, 530208), (504, 511272), (526, 489888), (567, 454464), (576, 447363), (648, 397656), (672, 383454), (729, 353472), (756, 340848), (789, 326592), (864, 298242), (972, 265104), (1008, 255636), (1052, 244944), (1134, 227232), (1296, 198828), (1344, 191727), (1458, 176736), (1512, 170424), (1578, 163296), (1701, 151488), (1728, 149121), (1841, 139968), (1944, 132552), (2016, 127818), (2104, 122472), (2187, 117824), (2268, 113616), (2367, 108864), (2592, 99414), (2916, 88368), (3024, 85212), (3156, 81648), (3402, 75744), (3682, 69984), (3888, 66276), (4032, 63909), (4208, 61236), (4374, 58912), (4536, 56808), (4734, 54432), (5103, 50496), (5184, 49707), (5523, 46656), (5832, 44184), (6048, 42606), (6312, 40824), (6804, 37872), (7101, 36288), (7364, 34992), (7776, 33138), (8416, 30618), (8748, 29456), (9072, 28404), (9468, 27216), (10206, 25248), (11046, 23328), (11664, 22092), (12096, 21303), (12624, 20412), (13608, 18936), (14202, 18144), (14728, 17496), (15309, 16832), (15552, 16569)]