87690540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208787}}^1$

素因数の和:208806

約数の個数: 48

約数和(自身を含む): 280611072

約数和(自身を除く): 192920532

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, 208787, 417574, 626361, 835148, 1043935, 1252722, 1461509, 2087870, 2505444, 2923018, 3131805, 4175740, 4384527, 5846036, 6263610, 7307545, 8769054, 12527220, 14615090, 17538108, 21922635, 29230180, 43845270, 87690540]

約数ペア:

[(1, 87690540), (2, 43845270), (3, 29230180), (4, 21922635), (5, 17538108), (6, 14615090), (7, 12527220), (10, 8769054), (12, 7307545), (14, 6263610), (15, 5846036), (20, 4384527), (21, 4175740), (28, 3131805), (30, 2923018), (35, 2505444), (42, 2087870), (60, 1461509), (70, 1252722), (84, 1043935), (105, 835148), (140, 626361), (210, 417574), (420, 208787)]