30980220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2621}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 87218208

約数和(自身を除く): 56237988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2621, 2955, 3940, 5242, 5910, 7863, 10484, 11820, 13105, 15726, 26210, 31452, 39315, 52420, 78630, 157260, 516337, 1032674, 1549011, 2065348, 2581685, 3098022, 5163370, 6196044, 7745055, 10326740, 15490110, 30980220]

約数ペア:

[(1, 30980220), (2, 15490110), (3, 10326740), (4, 7745055), (5, 6196044), (6, 5163370), (10, 3098022), (12, 2581685), (15, 2065348), (20, 1549011), (30, 1032674), (60, 516337), (197, 157260), (394, 78630), (591, 52420), (788, 39315), (985, 31452), (1182, 26210), (1970, 15726), (2364, 13105), (2621, 11820), (2955, 10484), (3940, 7863), (5242, 5910)]