30456040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17707}}^1$

素因数の和:17761

約数の個数: 32

約数和(自身を含む): 70123680

約数和(自身を除く): 39667640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17707, 35414, 70828, 88535, 141656, 177070, 354140, 708280, 761401, 1522802, 3045604, 3807005, 6091208, 7614010, 15228020, 30456040]

約数ペア:

[(1, 30456040), (2, 15228020), (4, 7614010), (5, 6091208), (8, 3807005), (10, 3045604), (20, 1522802), (40, 761401), (43, 708280), (86, 354140), (172, 177070), (215, 141656), (344, 88535), (430, 70828), (860, 35414), (1720, 17707)]