15785728

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 37675008

約数和(自身を除く): 21889280

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 383, 448, 644, 736, 766, 896, 1288, 1472, 1532, 1792, 2576, 2681, 2944, 3064, 5152, 5362, 5888, 6128, 8809, 10304, 10724, 12256, 17618, 20608, 21448, 24512, 35236, 41216, 42896, 49024, 61663, 70472, 85792, 98048, 123326, 140944, 171584, 246652, 281888, 343168, 493304, 563776, 686336, 986608, 1127552, 1973216, 2255104, 3946432, 7892864, 15785728]

約数ペア:

[(1, 15785728), (2, 7892864), (4, 3946432), (7, 2255104), (8, 1973216), (14, 1127552), (16, 986608), (23, 686336), (28, 563776), (32, 493304), (46, 343168), (56, 281888), (64, 246652), (92, 171584), (112, 140944), (128, 123326), (161, 98048), (184, 85792), (224, 70472), (256, 61663), (322, 49024), (368, 42896), (383, 41216), (448, 35236), (644, 24512), (736, 21448), (766, 20608), (896, 17618), (1288, 12256), (1472, 10724), (1532, 10304), (1792, 8809), (2576, 6128), (2681, 5888), (2944, 5362), (3064, 5152)]