30142845

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 24020355

約数列:

[1, 3, 5, 9, 15, 45, 61, 79, 139, 183, 237, 305, 395, 417, 549, 695, 711, 915, 1185, 1251, 2085, 2745, 3555, 4819, 6255, 8479, 10981, 14457, 24095, 25437, 32943, 42395, 43371, 54905, 72285, 76311, 98829, 127185, 164715, 216855, 381555, 494145, 669841, 2009523, 3349205, 6028569, 10047615, 30142845]

約数ペア:

[(1, 30142845), (3, 10047615), (5, 6028569), (9, 3349205), (15, 2009523), (45, 669841), (61, 494145), (79, 381555), (139, 216855), (183, 164715), (237, 127185), (305, 98829), (395, 76311), (417, 72285), (549, 54905), (695, 43371), (711, 42395), (915, 32943), (1185, 25437), (1251, 24095), (2085, 14457), (2745, 10981), (3555, 8479), (4819, 6255)]