15940740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{701}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 28874940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 701, 758, 1137, 1402, 1516, 1895, 2103, 2274, 2804, 3505, 3790, 4206, 4548, 5685, 7010, 7580, 8412, 10515, 11370, 14020, 21030, 22740, 42060, 265679, 531358, 797037, 1062716, 1328395, 1594074, 2656790, 3188148, 3985185, 5313580, 7970370, 15940740]

約数ペア:

[(1, 15940740), (2, 7970370), (3, 5313580), (4, 3985185), (5, 3188148), (6, 2656790), (10, 1594074), (12, 1328395), (15, 1062716), (20, 797037), (30, 531358), (60, 265679), (379, 42060), (701, 22740), (758, 21030), (1137, 14020), (1402, 11370), (1516, 10515), (1895, 8412), (2103, 7580), (2274, 7010), (2804, 5685), (3505, 4548), (3790, 4206)]