15725255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 26127360

約数和(自身を除く): 10402105

約数列:

[1, 5, 7, 13, 17, 19, 35, 65, 85, 91, 95, 107, 119, 133, 221, 247, 323, 455, 535, 595, 665, 749, 1105, 1235, 1391, 1547, 1615, 1729, 1819, 2033, 2261, 3745, 4199, 6955, 7735, 8645, 9095, 9737, 10165, 11305, 12733, 14231, 20995, 23647, 26429, 29393, 34561, 48685, 63665, 71155, 118235, 132145, 146965, 165529, 172805, 185003, 241927, 449293, 827645, 925015, 1209635, 2246465, 3145051, 15725255]

約数ペア:

[(1, 15725255), (5, 3145051), (7, 2246465), (13, 1209635), (17, 925015), (19, 827645), (35, 449293), (65, 241927), (85, 185003), (91, 172805), (95, 165529), (107, 146965), (119, 132145), (133, 118235), (221, 71155), (247, 63665), (323, 48685), (455, 34561), (535, 29393), (595, 26429), (665, 23647), (749, 20995), (1105, 14231), (1235, 12733), (1391, 11305), (1547, 10165), (1615, 9737), (1729, 9095), (1819, 8645), (2033, 7735), (2261, 6955), (3745, 4199)]