1287360256

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:866

約数の個数: 144

約数和(自身を含む): 3210257344

約数和(自身を除く): 1922897088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 73, 91, 104, 112, 128, 146, 182, 208, 224, 256, 292, 364, 416, 448, 511, 584, 728, 757, 832, 896, 949, 1022, 1168, 1456, 1514, 1664, 1792, 1898, 2044, 2336, 2912, 3028, 3328, 3796, 4088, 4672, 5299, 5824, 6056, 6643, 7592, 8176, 9344, 9841, 10598, 11648, 12112, 13286, 15184, 16352, 18688, 19682, 21196, 23296, 24224, 26572, 30368, 32704, 39364, 42392, 48448, 53144, 55261, 60736, 65408, 68887, 78728, 84784, 96896, 106288, 110522, 121472, 130816, 137774, 157456, 169568, 193792, 212576, 221044, 242944, 275548, 314912, 339136, 386827, 425152, 442088, 551096, 629824, 678272, 718393, 773654, 850304, 884176, 1102192, 1259648, 1356544, 1436786, 1547308, 1700608, 1768352, 2204384, 2519296, 2873572, 3094616, 3536704, 4408768, 5028751, 5747144, 6189232, 7073408, 8817536, 10057502, 11494288, 12378464, 14146816, 17635072, 20115004, 22988576, 24756928, 40230008, 45977152, 49513856, 80460016, 91954304, 99027712, 160920032, 183908608, 321840064, 643680128, 1287360256]

約数ペア:

[(1, 1287360256), (2, 643680128), (4, 321840064), (7, 183908608), (8, 160920032), (13, 99027712), (14, 91954304), (16, 80460016), (26, 49513856), (28, 45977152), (32, 40230008), (52, 24756928), (56, 22988576), (64, 20115004), (73, 17635072), (91, 14146816), (104, 12378464), (112, 11494288), (128, 10057502), (146, 8817536), (182, 7073408), (208, 6189232), (224, 5747144), (256, 5028751), (292, 4408768), (364, 3536704), (416, 3094616), (448, 2873572), (511, 2519296), (584, 2204384), (728, 1768352), (757, 1700608), (832, 1547308), (896, 1436786), (949, 1356544), (1022, 1259648), (1168, 1102192), (1456, 884176), (1514, 850304), (1664, 773654), (1792, 718393), (1898, 678272), (2044, 629824), (2336, 551096), (2912, 442088), (3028, 425152), (3328, 386827), (3796, 339136), (4088, 314912), (4672, 275548), (5299, 242944), (5824, 221044), (6056, 212576), (6643, 193792), (7592, 169568), (8176, 157456), (9344, 137774), (9841, 130816), (10598, 121472), (11648, 110522), (12112, 106288), (13286, 96896), (15184, 84784), (16352, 78728), (18688, 68887), (19682, 65408), (21196, 60736), (23296, 55261), (24224, 53144), (26572, 48448), (30368, 42392), (32704, 39364)]