138428460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{256349}}^1$

素因数の和:256367

約数の個数: 48

約数和(自身を含む): 430668000

約数和(自身を除く): 292239540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 256349, 512698, 769047, 1025396, 1281745, 1538094, 2307141, 2563490, 3076188, 3845235, 4614282, 5126980, 6921423, 7690470, 9228564, 11535705, 13842846, 15380940, 23071410, 27685692, 34607115, 46142820, 69214230, 138428460]

約数ペア:

[(1, 138428460), (2, 69214230), (3, 46142820), (4, 34607115), (5, 27685692), (6, 23071410), (9, 15380940), (10, 13842846), (12, 11535705), (15, 9228564), (18, 7690470), (20, 6921423), (27, 5126980), (30, 4614282), (36, 3845235), (45, 3076188), (54, 2563490), (60, 2307141), (90, 1538094), (108, 1281745), (135, 1025396), (180, 769047), (270, 512698), (540, 256349)]