64923180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154579}}^1$

素因数の和:154598

約数の個数: 48

約数和(自身を含む): 207755520

約数和(自身を除く): 142832340

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, 154579, 309158, 463737, 618316, 772895, 927474, 1082053, 1545790, 1854948, 2164106, 2318685, 3091580, 3246159, 4328212, 4637370, 5410265, 6492318, 9274740, 10820530, 12984636, 16230795, 21641060, 32461590, 64923180]

約数ペア:

[(1, 64923180), (2, 32461590), (3, 21641060), (4, 16230795), (5, 12984636), (6, 10820530), (7, 9274740), (10, 6492318), (12, 5410265), (14, 4637370), (15, 4328212), (20, 3246159), (21, 3091580), (28, 2318685), (30, 2164106), (35, 1854948), (42, 1545790), (60, 1082053), (70, 927474), (84, 772895), (105, 618316), (140, 463737), (210, 309158), (420, 154579)]