65696820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{156421}}^1$

素因数の和:156440

約数の個数: 48

約数和(自身を含む): 210231168

約数和(自身を除く): 144534348

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, 156421, 312842, 469263, 625684, 782105, 938526, 1094947, 1564210, 1877052, 2189894, 2346315, 3128420, 3284841, 4379788, 4692630, 5474735, 6569682, 9385260, 10949470, 13139364, 16424205, 21898940, 32848410, 65696820]

約数ペア:

[(1, 65696820), (2, 32848410), (3, 21898940), (4, 16424205), (5, 13139364), (6, 10949470), (7, 9385260), (10, 6569682), (12, 5474735), (14, 4692630), (15, 4379788), (20, 3284841), (21, 3128420), (28, 2346315), (30, 2189894), (35, 1877052), (42, 1564210), (60, 1094947), (70, 938526), (84, 782105), (105, 625684), (140, 469263), (210, 312842), (420, 156421)]