15320825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 7177735

約数列:

[1, 5, 13, 17, 25, 47, 59, 65, 85, 221, 235, 295, 325, 425, 611, 767, 799, 1003, 1105, 1175, 1475, 2773, 3055, 3835, 3995, 5015, 5525, 10387, 13039, 13865, 15275, 19175, 19975, 25075, 36049, 47141, 51935, 65195, 69325, 180245, 235705, 259675, 325975, 612833, 901225, 1178525, 3064165, 15320825]

約数ペア:

[(1, 15320825), (5, 3064165), (13, 1178525), (17, 901225), (25, 612833), (47, 325975), (59, 259675), (65, 235705), (85, 180245), (221, 69325), (235, 65195), (295, 51935), (325, 47141), (425, 36049), (611, 25075), (767, 19975), (799, 19175), (1003, 15275), (1105, 13865), (1175, 13039), (1475, 10387), (2773, 5525), (3055, 5015), (3835, 3995)]