68180385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 67294815

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 199, 251, 273, 455, 597, 753, 995, 1255, 1365, 1393, 1757, 2587, 2985, 3263, 3765, 4179, 5271, 6965, 7761, 8785, 9789, 12935, 16315, 18109, 20895, 22841, 26355, 38805, 48945, 49949, 54327, 68523, 90545, 114205, 149847, 249745, 271635, 342615, 349643, 649337, 749235, 1048929, 1748215, 1948011, 3246685, 4545359, 5244645, 9740055, 13636077, 22726795, 68180385]

約数ペア:

[(1, 68180385), (3, 22726795), (5, 13636077), (7, 9740055), (13, 5244645), (15, 4545359), (21, 3246685), (35, 1948011), (39, 1748215), (65, 1048929), (91, 749235), (105, 649337), (195, 349643), (199, 342615), (251, 271635), (273, 249745), (455, 149847), (597, 114205), (753, 90545), (995, 68523), (1255, 54327), (1365, 49949), (1393, 48945), (1757, 38805), (2587, 26355), (2985, 22841), (3263, 20895), (3765, 18109), (4179, 16315), (5271, 12935), (6965, 9789), (7761, 8785)]