66538780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43207}}^1$

素因数の和:43234

約数の個数: 48

約数和(自身を含む): 174214656

約数和(自身を除く): 107675876

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 43207, 86414, 172828, 216035, 302449, 432070, 475277, 604898, 864140, 950554, 1209796, 1512245, 1901108, 2376385, 3024490, 3326939, 4752770, 6048980, 6653878, 9505540, 13307756, 16634695, 33269390, 66538780]

約数ペア:

[(1, 66538780), (2, 33269390), (4, 16634695), (5, 13307756), (7, 9505540), (10, 6653878), (11, 6048980), (14, 4752770), (20, 3326939), (22, 3024490), (28, 2376385), (35, 1901108), (44, 1512245), (55, 1209796), (70, 950554), (77, 864140), (110, 604898), (140, 475277), (154, 432070), (220, 302449), (308, 216035), (385, 172828), (770, 86414), (1540, 43207)]