168505120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{21493}}^1$

素因数の和:21522

約数の個数: 72

約数和(自身を含む): 463109724

約数和(自身を除く): 294604604

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 21493, 42986, 85972, 107465, 150451, 171944, 214930, 300902, 343888, 429860, 601804, 687776, 752255, 859720, 1053157, 1203608, 1504510, 1719440, 2106314, 2407216, 3009020, 3438880, 4212628, 4814432, 5265785, 6018040, 8425256, 10531570, 12036080, 16850512, 21063140, 24072160, 33701024, 42126280, 84252560, 168505120]

約数ペア:

[(1, 168505120), (2, 84252560), (4, 42126280), (5, 33701024), (7, 24072160), (8, 21063140), (10, 16850512), (14, 12036080), (16, 10531570), (20, 8425256), (28, 6018040), (32, 5265785), (35, 4814432), (40, 4212628), (49, 3438880), (56, 3009020), (70, 2407216), (80, 2106314), (98, 1719440), (112, 1504510), (140, 1203608), (160, 1053157), (196, 859720), (224, 752255), (245, 687776), (280, 601804), (392, 429860), (490, 343888), (560, 300902), (784, 214930), (980, 171944), (1120, 150451), (1568, 107465), (1960, 85972), (3920, 42986), (7840, 21493)]