87865260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209203}}^1$

素因数の和:209222

約数の個数: 48

約数和(自身を含む): 281170176

約数和(自身を除く): 193304916

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, 209203, 418406, 627609, 836812, 1046015, 1255218, 1464421, 2092030, 2510436, 2928842, 3138045, 4184060, 4393263, 5857684, 6276090, 7322105, 8786526, 12552180, 14644210, 17573052, 21966315, 29288420, 43932630, 87865260]

約数ペア:

[(1, 87865260), (2, 43932630), (3, 29288420), (4, 21966315), (5, 17573052), (6, 14644210), (7, 12552180), (10, 8786526), (12, 7322105), (14, 6276090), (15, 5857684), (20, 4393263), (21, 4184060), (28, 3138045), (30, 2928842), (35, 2510436), (42, 2092030), (60, 1464421), (70, 1255218), (84, 1046015), (105, 836812), (140, 627609), (210, 418406), (420, 209203)]