76491280

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1487}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 178238592

約数和(自身を除く): 101747312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 1487, 2572, 2974, 3215, 5144, 5948, 6430, 7435, 10288, 11896, 12860, 14870, 23792, 25720, 29740, 51440, 59480, 118960, 956141, 1912282, 3824564, 4780705, 7649128, 9561410, 15298256, 19122820, 38245640, 76491280]

約数ペア:

[(1, 76491280), (2, 38245640), (4, 19122820), (5, 15298256), (8, 9561410), (10, 7649128), (16, 4780705), (20, 3824564), (40, 1912282), (80, 956141), (643, 118960), (1286, 59480), (1487, 51440), (2572, 29740), (2974, 25720), (3215, 23792), (5144, 14870), (5948, 12860), (6430, 11896), (7435, 10288)]