65621220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{156241}}^1$

素因数の和:156260

約数の個数: 48

約数和(自身を含む): 209989248

約数和(自身を除く): 144368028

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, 156241, 312482, 468723, 624964, 781205, 937446, 1093687, 1562410, 1874892, 2187374, 2343615, 3124820, 3281061, 4374748, 4687230, 5468435, 6562122, 9374460, 10936870, 13124244, 16405305, 21873740, 32810610, 65621220]

約数ペア:

[(1, 65621220), (2, 32810610), (3, 21873740), (4, 16405305), (5, 13124244), (6, 10936870), (7, 9374460), (10, 6562122), (12, 5468435), (14, 4687230), (15, 4374748), (20, 3281061), (21, 3124820), (28, 2343615), (30, 2187374), (35, 1874892), (42, 1562410), (60, 1093687), (70, 937446), (84, 781205), (105, 624964), (140, 468723), (210, 312482), (420, 156241)]