128049040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2137}}^1$

素因数の和:2264

約数の個数: 80

約数和(自身を含む): 343585152

約数和(自身を除く): 215536112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1498, 1712, 2137, 2140, 2996, 3745, 4274, 4280, 5992, 7490, 8548, 8560, 10685, 11984, 14959, 14980, 17096, 21370, 29918, 29960, 34192, 42740, 59836, 59920, 74795, 85480, 119672, 149590, 170960, 228659, 239344, 299180, 457318, 598360, 914636, 1143295, 1196720, 1600613, 1829272, 2286590, 3201226, 3658544, 4573180, 6402452, 8003065, 9146360, 12804904, 16006130, 18292720, 25609808, 32012260, 64024520, 128049040]

約数ペア:

[(1, 128049040), (2, 64024520), (4, 32012260), (5, 25609808), (7, 18292720), (8, 16006130), (10, 12804904), (14, 9146360), (16, 8003065), (20, 6402452), (28, 4573180), (35, 3658544), (40, 3201226), (56, 2286590), (70, 1829272), (80, 1600613), (107, 1196720), (112, 1143295), (140, 914636), (214, 598360), (280, 457318), (428, 299180), (535, 239344), (560, 228659), (749, 170960), (856, 149590), (1070, 119672), (1498, 85480), (1712, 74795), (2137, 59920), (2140, 59836), (2996, 42740), (3745, 34192), (4274, 29960), (4280, 29918), (5992, 21370), (7490, 17096), (8548, 14980), (8560, 14959), (10685, 11984)]