405675060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{965893}}^1$

素因数の和:965912

約数の個数: 48

約数和(自身を含む): 1298161536

約数和(自身を除く): 892486476

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, 965893, 1931786, 2897679, 3863572, 4829465, 5795358, 6761251, 9658930, 11590716, 13522502, 14488395, 19317860, 20283753, 27045004, 28976790, 33806255, 40567506, 57953580, 67612510, 81135012, 101418765, 135225020, 202837530, 405675060]

約数ペア:

[(1, 405675060), (2, 202837530), (3, 135225020), (4, 101418765), (5, 81135012), (6, 67612510), (7, 57953580), (10, 40567506), (12, 33806255), (14, 28976790), (15, 27045004), (20, 20283753), (21, 19317860), (28, 14488395), (30, 13522502), (35, 11590716), (42, 9658930), (60, 6761251), (70, 5795358), (84, 4829465), (105, 3863572), (140, 2897679), (210, 1931786), (420, 965893)]