205712880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{857137}}^1$

素因数の和:857153

約数の個数: 40

約数和(自身を含む): 637710672

約数和(自身を除く): 431997792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 857137, 1714274, 2571411, 3428548, 4285685, 5142822, 6857096, 8571370, 10285644, 12857055, 13714192, 17142740, 20571288, 25714110, 34285480, 41142576, 51428220, 68570960, 102856440, 205712880]

約数ペア:

[(1, 205712880), (2, 102856440), (3, 68570960), (4, 51428220), (5, 41142576), (6, 34285480), (8, 25714110), (10, 20571288), (12, 17142740), (15, 13714192), (16, 12857055), (20, 10285644), (24, 8571370), (30, 6857096), (40, 5142822), (48, 4285685), (60, 3428548), (80, 2571411), (120, 1714274), (240, 857137)]