15550871740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{53657}}^1$

素因数の和:54046

約数の個数: 48

約数和(自身を含む): 33516074592

約数和(自身を除く): 17965202852

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 337, 430, 674, 860, 1348, 1685, 3370, 6740, 14491, 28982, 53657, 57964, 72455, 107314, 144910, 214628, 268285, 289820, 536570, 1073140, 2307251, 4614502, 9229004, 11536255, 18082409, 23072510, 36164818, 46145020, 72329636, 90412045, 180824090, 361648180, 777543587, 1555087174, 3110174348, 3887717935, 7775435870, 15550871740]

約数ペア:

[(1, 15550871740), (2, 7775435870), (4, 3887717935), (5, 3110174348), (10, 1555087174), (20, 777543587), (43, 361648180), (86, 180824090), (172, 90412045), (215, 72329636), (337, 46145020), (430, 36164818), (674, 23072510), (860, 18082409), (1348, 11536255), (1685, 9229004), (3370, 4614502), (6740, 2307251), (14491, 1073140), (28982, 536570), (53657, 289820), (57964, 268285), (72455, 214628), (107314, 144910)]