81384730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:943

約数の個数: 64

約数和(自身を含む): 177085440

約数和(自身を除く): 95700710

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 47, 58, 70, 94, 145, 203, 235, 290, 329, 406, 470, 658, 853, 1015, 1363, 1645, 1706, 2030, 2726, 3290, 4265, 5971, 6815, 8530, 9541, 11942, 13630, 19082, 24737, 29855, 40091, 47705, 49474, 59710, 80182, 95410, 123685, 173159, 200455, 247370, 280637, 346318, 400910, 561274, 865795, 1162639, 1403185, 1731590, 2325278, 2806370, 5813195, 8138473, 11626390, 16276946, 40692365, 81384730]

約数ペア:

[(1, 81384730), (2, 40692365), (5, 16276946), (7, 11626390), (10, 8138473), (14, 5813195), (29, 2806370), (35, 2325278), (47, 1731590), (58, 1403185), (70, 1162639), (94, 865795), (145, 561274), (203, 400910), (235, 346318), (290, 280637), (329, 247370), (406, 200455), (470, 173159), (658, 123685), (853, 95410), (1015, 80182), (1363, 59710), (1645, 49474), (1706, 47705), (2030, 40091), (2726, 29855), (3290, 24737), (4265, 19082), (5971, 13630), (6815, 11942), (8530, 9541)]