171488560

素因数分解:

$2^4\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1663}}^1$

素因数の和:2965

約数の個数: 40

約数和(自身を含む): 399260160

約数和(自身を除く): 227771600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289, 1663, 2578, 3326, 5156, 6445, 6652, 8315, 10312, 12890, 13304, 16630, 20624, 25780, 26608, 33260, 51560, 66520, 103120, 133040, 2143607, 4287214, 8574428, 10718035, 17148856, 21436070, 34297712, 42872140, 85744280, 171488560]

約数ペア:

[(1, 171488560), (2, 85744280), (4, 42872140), (5, 34297712), (8, 21436070), (10, 17148856), (16, 10718035), (20, 8574428), (40, 4287214), (80, 2143607), (1289, 133040), (1663, 103120), (2578, 66520), (3326, 51560), (5156, 33260), (6445, 26608), (6652, 25780), (8315, 20624), (10312, 16630), (12890, 13304)]