64340220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153191}}^1$

素因数の和:153210

約数の個数: 48

約数和(自身を含む): 205890048

約数和(自身を除く): 141549828

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, 153191, 306382, 459573, 612764, 765955, 919146, 1072337, 1531910, 1838292, 2144674, 2297865, 3063820, 3217011, 4289348, 4595730, 5361685, 6434022, 9191460, 10723370, 12868044, 16085055, 21446740, 32170110, 64340220]

約数ペア:

[(1, 64340220), (2, 32170110), (3, 21446740), (4, 16085055), (5, 12868044), (6, 10723370), (7, 9191460), (10, 6434022), (12, 5361685), (14, 4595730), (15, 4289348), (20, 3217011), (21, 3063820), (28, 2297865), (30, 2144674), (35, 1838292), (42, 1531910), (60, 1072337), (70, 919146), (84, 765955), (105, 612764), (140, 459573), (210, 306382), (420, 153191)]