261886464

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:407

約数の個数: 240

約数和(自身を含む): 903906432

約数和(自身を除く): 642019968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 64, 69, 72, 84, 92, 96, 112, 126, 128, 138, 144, 161, 168, 184, 192, 207, 224, 252, 256, 276, 288, 322, 336, 353, 368, 384, 414, 448, 483, 504, 512, 552, 576, 644, 672, 706, 736, 768, 828, 896, 966, 1008, 1059, 1104, 1152, 1288, 1344, 1412, 1449, 1472, 1536, 1656, 1792, 1932, 2016, 2118, 2208, 2304, 2471, 2576, 2688, 2824, 2898, 2944, 3177, 3312, 3584, 3864, 4032, 4236, 4416, 4608, 4942, 5152, 5376, 5648, 5796, 5888, 6354, 6624, 7413, 7728, 8064, 8119, 8472, 8832, 9884, 10304, 10752, 11296, 11592, 11776, 12708, 13248, 14826, 15456, 16128, 16238, 16944, 17664, 19768, 20608, 22239, 22592, 23184, 24357, 25416, 26496, 29652, 30912, 32256, 32476, 33888, 35328, 39536, 41216, 44478, 45184, 46368, 48714, 50832, 52992, 56833, 59304, 61824, 64952, 67776, 73071, 79072, 82432, 88956, 90368, 92736, 97428, 101664, 105984, 113666, 118608, 123648, 129904, 135552, 146142, 158144, 170499, 177912, 180736, 185472, 194856, 203328, 227332, 237216, 247296, 259808, 271104, 292284, 316288, 340998, 355824, 370944, 389712, 406656, 454664, 474432, 511497, 519616, 542208, 584568, 632576, 681996, 711648, 741888, 779424, 813312, 909328, 948864, 1022994, 1039232, 1169136, 1265152, 1363992, 1423296, 1558848, 1626624, 1818656, 1897728, 2045988, 2078464, 2338272, 2727984, 2846592, 3117696, 3637312, 3795456, 4091976, 4156928, 4676544, 5455968, 5693184, 6235392, 7274624, 8183952, 9353088, 10911936, 11386368, 12470784, 14549248, 16367904, 18706176, 21823872, 29098496, 32735808, 37412352, 43647744, 65471616, 87295488, 130943232, 261886464]

約数ペア:

[(1, 261886464), (2, 130943232), (3, 87295488), (4, 65471616), (6, 43647744), (7, 37412352), (8, 32735808), (9, 29098496), (12, 21823872), (14, 18706176), (16, 16367904), (18, 14549248), (21, 12470784), (23, 11386368), (24, 10911936), (28, 9353088), (32, 8183952), (36, 7274624), (42, 6235392), (46, 5693184), (48, 5455968), (56, 4676544), (63, 4156928), (64, 4091976), (69, 3795456), (72, 3637312), (84, 3117696), (92, 2846592), (96, 2727984), (112, 2338272), (126, 2078464), (128, 2045988), (138, 1897728), (144, 1818656), (161, 1626624), (168, 1558848), (184, 1423296), (192, 1363992), (207, 1265152), (224, 1169136), (252, 1039232), (256, 1022994), (276, 948864), (288, 909328), (322, 813312), (336, 779424), (353, 741888), (368, 711648), (384, 681996), (414, 632576), (448, 584568), (483, 542208), (504, 519616), (512, 511497), (552, 474432), (576, 454664), (644, 406656), (672, 389712), (706, 370944), (736, 355824), (768, 340998), (828, 316288), (896, 292284), (966, 271104), (1008, 259808), (1059, 247296), (1104, 237216), (1152, 227332), (1288, 203328), (1344, 194856), (1412, 185472), (1449, 180736), (1472, 177912), (1536, 170499), (1656, 158144), (1792, 146142), (1932, 135552), (2016, 129904), (2118, 123648), (2208, 118608), (2304, 113666), (2471, 105984), (2576, 101664), (2688, 97428), (2824, 92736), (2898, 90368), (2944, 88956), (3177, 82432), (3312, 79072), (3584, 73071), (3864, 67776), (4032, 64952), (4236, 61824), (4416, 59304), (4608, 56833), (4942, 52992), (5152, 50832), (5376, 48714), (5648, 46368), (5796, 45184), (5888, 44478), (6354, 41216), (6624, 39536), (7413, 35328), (7728, 33888), (8064, 32476), (8119, 32256), (8472, 30912), (8832, 29652), (9884, 26496), (10304, 25416), (10752, 24357), (11296, 23184), (11592, 22592), (11776, 22239), (12708, 20608), (13248, 19768), (14826, 17664), (15456, 16944), (16128, 16238)]