156788220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2621}}^1$

素因数の和:3630

約数の個数: 48

約数和(自身を含む): 439615008

約数和(自身を除く): 282826788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 997, 1994, 2621, 2991, 3988, 4985, 5242, 5982, 7863, 9970, 10484, 11964, 13105, 14955, 15726, 19940, 26210, 29910, 31452, 39315, 52420, 59820, 78630, 157260, 2613137, 5226274, 7839411, 10452548, 13065685, 15678822, 26131370, 31357644, 39197055, 52262740, 78394110, 156788220]

約数ペア:

[(1, 156788220), (2, 78394110), (3, 52262740), (4, 39197055), (5, 31357644), (6, 26131370), (10, 15678822), (12, 13065685), (15, 10452548), (20, 7839411), (30, 5226274), (60, 2613137), (997, 157260), (1994, 78630), (2621, 59820), (2991, 52420), (3988, 39315), (4985, 31452), (5242, 29910), (5982, 26210), (7863, 19940), (9970, 15726), (10484, 14955), (11964, 13105)]