15571980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{28837}}^1$

素因数の和:28855

約数の個数: 48

約数和(自身を含む): 48447840

約数和(自身を除く): 32875860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 28837, 57674, 86511, 115348, 144185, 173022, 259533, 288370, 346044, 432555, 519066, 576740, 778599, 865110, 1038132, 1297665, 1557198, 1730220, 2595330, 3114396, 3892995, 5190660, 7785990, 15571980]

約数ペア:

[(1, 15571980), (2, 7785990), (3, 5190660), (4, 3892995), (5, 3114396), (6, 2595330), (9, 1730220), (10, 1557198), (12, 1297665), (15, 1038132), (18, 865110), (20, 778599), (27, 576740), (30, 519066), (36, 432555), (45, 346044), (54, 288370), (60, 259533), (90, 173022), (108, 144185), (135, 115348), (180, 86511), (270, 57674), (540, 28837)]