317857120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{40543}}^1$

素因数の和:40572

約数の個数: 72

約数和(自身を含む): 873561024

約数和(自身を除く): 555703904

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, 40543, 81086, 162172, 202715, 283801, 324344, 405430, 567602, 648688, 810860, 1135204, 1297376, 1419005, 1621720, 1986607, 2270408, 2838010, 3243440, 3973214, 4540816, 5676020, 6486880, 7946428, 9081632, 9933035, 11352040, 15892856, 19866070, 22704080, 31785712, 39732140, 45408160, 63571424, 79464280, 158928560, 317857120]

約数ペア:

[(1, 317857120), (2, 158928560), (4, 79464280), (5, 63571424), (7, 45408160), (8, 39732140), (10, 31785712), (14, 22704080), (16, 19866070), (20, 15892856), (28, 11352040), (32, 9933035), (35, 9081632), (40, 7946428), (49, 6486880), (56, 5676020), (70, 4540816), (80, 3973214), (98, 3243440), (112, 2838010), (140, 2270408), (160, 1986607), (196, 1621720), (224, 1419005), (245, 1297376), (280, 1135204), (392, 810860), (490, 648688), (560, 567602), (784, 405430), (980, 324344), (1120, 283801), (1568, 202715), (1960, 162172), (3920, 81086), (7840, 40543)]