2786560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{311}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 7652736

約数和(自身を除く): 4866176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 311, 320, 448, 560, 622, 640, 896, 1120, 1244, 1280, 1555, 1792, 2177, 2240, 2488, 3110, 4354, 4480, 4976, 6220, 8708, 8960, 9952, 10885, 12440, 17416, 19904, 21770, 24880, 34832, 39808, 43540, 49760, 69664, 79616, 87080, 99520, 139328, 174160, 199040, 278656, 348320, 398080, 557312, 696640, 1393280, 2786560]

約数ペア:

[(1, 2786560), (2, 1393280), (4, 696640), (5, 557312), (7, 398080), (8, 348320), (10, 278656), (14, 199040), (16, 174160), (20, 139328), (28, 99520), (32, 87080), (35, 79616), (40, 69664), (56, 49760), (64, 43540), (70, 39808), (80, 34832), (112, 24880), (128, 21770), (140, 19904), (160, 17416), (224, 12440), (256, 10885), (280, 9952), (311, 8960), (320, 8708), (448, 6220), (560, 4976), (622, 4480), (640, 4354), (896, 3110), (1120, 2488), (1244, 2240), (1280, 2177), (1555, 1792)]