30512580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72649}}^1$

素因数の和:72668

約数の個数: 48

約数和(自身を含む): 97641600

約数和(自身を除く): 67129020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 72649, 145298, 217947, 290596, 363245, 435894, 508543, 726490, 871788, 1017086, 1089735, 1452980, 1525629, 2034172, 2179470, 2542715, 3051258, 4358940, 5085430, 6102516, 7628145, 10170860, 15256290, 30512580]

約数ペア:

[(1, 30512580), (2, 15256290), (3, 10170860), (4, 7628145), (5, 6102516), (6, 5085430), (7, 4358940), (10, 3051258), (12, 2542715), (14, 2179470), (15, 2034172), (20, 1525629), (21, 1452980), (28, 1089735), (30, 1017086), (35, 871788), (42, 726490), (60, 508543), (70, 435894), (84, 363245), (105, 290596), (140, 217947), (210, 145298), (420, 72649)]