68042720

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2609}}^1$

素因数の和:2787

約数の個数: 48

約数和(自身を含む): 161799120

約数和(自身を除く): 93756400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 2609, 3260, 5216, 5218, 6520, 10436, 13040, 13045, 20872, 26080, 26090, 41744, 52180, 83488, 104360, 208720, 417440, 425267, 850534, 1701068, 2126335, 3402136, 4252670, 6804272, 8505340, 13608544, 17010680, 34021360, 68042720]

約数ペア:

[(1, 68042720), (2, 34021360), (4, 17010680), (5, 13608544), (8, 8505340), (10, 6804272), (16, 4252670), (20, 3402136), (32, 2126335), (40, 1701068), (80, 850534), (160, 425267), (163, 417440), (326, 208720), (652, 104360), (815, 83488), (1304, 52180), (1630, 41744), (2608, 26090), (2609, 26080), (3260, 20872), (5216, 13045), (5218, 13040), (6520, 10436)]