218744960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 603383040

約数和(自身を除く): 384638080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 157, 160, 224, 280, 311, 314, 320, 448, 560, 622, 628, 640, 785, 896, 1099, 1120, 1244, 1256, 1555, 1570, 2177, 2198, 2240, 2488, 2512, 3110, 3140, 4354, 4396, 4480, 4976, 5024, 5495, 6220, 6280, 8708, 8792, 9952, 10048, 10885, 10990, 12440, 12560, 17416, 17584, 19904, 20096, 21770, 21980, 24880, 25120, 34832, 35168, 39808, 43540, 43960, 48827, 49760, 50240, 69664, 70336, 87080, 87920, 97654, 99520, 100480, 139328, 140672, 174160, 175840, 195308, 199040, 244135, 278656, 341789, 348320, 351680, 390616, 488270, 683578, 696640, 703360, 781232, 976540, 1367156, 1393280, 1562464, 1708945, 1953080, 2734312, 3124928, 3417890, 3906160, 5468624, 6249856, 6835780, 7812320, 10937248, 13671560, 15624640, 21874496, 27343120, 31249280, 43748992, 54686240, 109372480, 218744960]

約数ペア:

[(1, 218744960), (2, 109372480), (4, 54686240), (5, 43748992), (7, 31249280), (8, 27343120), (10, 21874496), (14, 15624640), (16, 13671560), (20, 10937248), (28, 7812320), (32, 6835780), (35, 6249856), (40, 5468624), (56, 3906160), (64, 3417890), (70, 3124928), (80, 2734312), (112, 1953080), (128, 1708945), (140, 1562464), (157, 1393280), (160, 1367156), (224, 976540), (280, 781232), (311, 703360), (314, 696640), (320, 683578), (448, 488270), (560, 390616), (622, 351680), (628, 348320), (640, 341789), (785, 278656), (896, 244135), (1099, 199040), (1120, 195308), (1244, 175840), (1256, 174160), (1555, 140672), (1570, 139328), (2177, 100480), (2198, 99520), (2240, 97654), (2488, 87920), (2512, 87080), (3110, 70336), (3140, 69664), (4354, 50240), (4396, 49760), (4480, 48827), (4976, 43960), (5024, 43540), (5495, 39808), (6220, 35168), (6280, 34832), (8708, 25120), (8792, 24880), (9952, 21980), (10048, 21770), (10885, 20096), (10990, 19904), (12440, 17584), (12560, 17416)]