1278156690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{617467}}^1$

素因数の和:617503

約数の個数: 48

約数和(自身を含む): 3467700288

約数和(自身を除く): 2189543598

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 617467, 1234934, 1852401, 3087335, 3704802, 5557203, 6174670, 9262005, 11114406, 14201741, 18524010, 27786015, 28403482, 42605223, 55572030, 71008705, 85210446, 127815669, 142017410, 213026115, 255631338, 426052230, 639078345, 1278156690]

約数ペア:

[(1, 1278156690), (2, 639078345), (3, 426052230), (5, 255631338), (6, 213026115), (9, 142017410), (10, 127815669), (15, 85210446), (18, 71008705), (23, 55572030), (30, 42605223), (45, 28403482), (46, 27786015), (69, 18524010), (90, 14201741), (115, 11114406), (138, 9262005), (207, 6174670), (230, 5557203), (345, 3704802), (414, 3087335), (690, 1852401), (1035, 1234934), (2070, 617467)]