2780051456

素因数分解:

$2^{11}\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2180

約数の個数: 144

約数和(自身を含む): 6966970920

約数和(自身を除く): 4186919464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 364, 392, 416, 448, 512, 637, 728, 784, 832, 896, 1024, 1274, 1456, 1568, 1664, 1792, 2048, 2131, 2548, 2912, 3136, 3328, 3584, 4262, 5096, 5824, 6272, 6656, 7168, 8524, 10192, 11648, 12544, 13312, 14336, 14917, 17048, 20384, 23296, 25088, 26624, 27703, 29834, 34096, 40768, 46592, 50176, 55406, 59668, 68192, 81536, 93184, 100352, 104419, 110812, 119336, 136384, 163072, 186368, 193921, 208838, 221624, 238672, 272768, 326144, 387842, 417676, 443248, 477344, 545536, 652288, 775684, 835352, 886496, 954688, 1091072, 1304576, 1357447, 1551368, 1670704, 1772992, 1909376, 2182144, 2714894, 3102736, 3341408, 3545984, 3818752, 4364288, 5429788, 6205472, 6682816, 7091968, 7637504, 10859576, 12410944, 13365632, 14183936, 15275008, 21719152, 24821888, 26731264, 28367872, 30550016, 43438304, 49643776, 53462528, 56735744, 86876608, 99287552, 106925056, 173753216, 198575104, 213850112, 347506432, 397150208, 695012864, 1390025728, 2780051456]

約数ペア:

[(1, 2780051456), (2, 1390025728), (4, 695012864), (7, 397150208), (8, 347506432), (13, 213850112), (14, 198575104), (16, 173753216), (26, 106925056), (28, 99287552), (32, 86876608), (49, 56735744), (52, 53462528), (56, 49643776), (64, 43438304), (91, 30550016), (98, 28367872), (104, 26731264), (112, 24821888), (128, 21719152), (182, 15275008), (196, 14183936), (208, 13365632), (224, 12410944), (256, 10859576), (364, 7637504), (392, 7091968), (416, 6682816), (448, 6205472), (512, 5429788), (637, 4364288), (728, 3818752), (784, 3545984), (832, 3341408), (896, 3102736), (1024, 2714894), (1274, 2182144), (1456, 1909376), (1568, 1772992), (1664, 1670704), (1792, 1551368), (2048, 1357447), (2131, 1304576), (2548, 1091072), (2912, 954688), (3136, 886496), (3328, 835352), (3584, 775684), (4262, 652288), (5096, 545536), (5824, 477344), (6272, 443248), (6656, 417676), (7168, 387842), (8524, 326144), (10192, 272768), (11648, 238672), (12544, 221624), (13312, 208838), (14336, 193921), (14917, 186368), (17048, 163072), (20384, 136384), (23296, 119336), (25088, 110812), (26624, 104419), (27703, 100352), (29834, 93184), (34096, 81536), (40768, 68192), (46592, 59668), (50176, 55406)]