320825344

素因数分解:

$2^{11}\times 7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 784274400

約数和(自身を除く): 463449056

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 139, 161, 184, 196, 224, 256, 278, 322, 368, 392, 448, 512, 556, 644, 736, 784, 896, 973, 1024, 1112, 1127, 1288, 1472, 1568, 1792, 1946, 2048, 2224, 2254, 2576, 2944, 3136, 3197, 3584, 3892, 4448, 4508, 5152, 5888, 6272, 6394, 6811, 7168, 7784, 8896, 9016, 10304, 11776, 12544, 12788, 13622, 14336, 15568, 17792, 18032, 20608, 22379, 23552, 25088, 25576, 27244, 31136, 35584, 36064, 41216, 44758, 47104, 50176, 51152, 54488, 62272, 71168, 72128, 82432, 89516, 100352, 102304, 108976, 124544, 142336, 144256, 156653, 164864, 179032, 204608, 217952, 249088, 284672, 288512, 313306, 329728, 358064, 409216, 435904, 498176, 577024, 626612, 716128, 818432, 871808, 996352, 1154048, 1253224, 1432256, 1636864, 1743616, 1992704, 2308096, 2506448, 2864512, 3273728, 3487232, 5012896, 5729024, 6547456, 6974464, 10025792, 11458048, 13948928, 20051584, 22916096, 40103168, 45832192, 80206336, 160412672, 320825344]

約数ペア:

[(1, 320825344), (2, 160412672), (4, 80206336), (7, 45832192), (8, 40103168), (14, 22916096), (16, 20051584), (23, 13948928), (28, 11458048), (32, 10025792), (46, 6974464), (49, 6547456), (56, 5729024), (64, 5012896), (92, 3487232), (98, 3273728), (112, 2864512), (128, 2506448), (139, 2308096), (161, 1992704), (184, 1743616), (196, 1636864), (224, 1432256), (256, 1253224), (278, 1154048), (322, 996352), (368, 871808), (392, 818432), (448, 716128), (512, 626612), (556, 577024), (644, 498176), (736, 435904), (784, 409216), (896, 358064), (973, 329728), (1024, 313306), (1112, 288512), (1127, 284672), (1288, 249088), (1472, 217952), (1568, 204608), (1792, 179032), (1946, 164864), (2048, 156653), (2224, 144256), (2254, 142336), (2576, 124544), (2944, 108976), (3136, 102304), (3197, 100352), (3584, 89516), (3892, 82432), (4448, 72128), (4508, 71168), (5152, 62272), (5888, 54488), (6272, 51152), (6394, 50176), (6811, 47104), (7168, 44758), (7784, 41216), (8896, 36064), (9016, 35584), (10304, 31136), (11776, 27244), (12544, 25576), (12788, 25088), (13622, 23552), (14336, 22379), (15568, 20608), (17792, 18032)]