15356740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 37094400

約数和(自身を除く): 21737660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 479, 916, 958, 1145, 1603, 1916, 2290, 2395, 3206, 3353, 4580, 4790, 6412, 6706, 8015, 9580, 13412, 16030, 16765, 32060, 33530, 67060, 109691, 219382, 438764, 548455, 767837, 1096910, 1535674, 2193820, 3071348, 3839185, 7678370, 15356740]

約数ペア:

[(1, 15356740), (2, 7678370), (4, 3839185), (5, 3071348), (7, 2193820), (10, 1535674), (14, 1096910), (20, 767837), (28, 548455), (35, 438764), (70, 219382), (140, 109691), (229, 67060), (458, 33530), (479, 32060), (916, 16765), (958, 16030), (1145, 13412), (1603, 9580), (1916, 8015), (2290, 6706), (2395, 6412), (3206, 4790), (3353, 4580)]