78158775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 139276800

約数和(自身を除く): 61118025

約数列:

[1, 3, 5, 15, 17, 25, 51, 59, 75, 85, 177, 255, 295, 425, 885, 1003, 1039, 1275, 1475, 3009, 3117, 4425, 5015, 5195, 15045, 15585, 17663, 25075, 25975, 52989, 61301, 75225, 77925, 88315, 183903, 264945, 306505, 441575, 919515, 1042117, 1324725, 1532525, 3126351, 4597575, 5210585, 15631755, 26052925, 78158775]

約数ペア:

[(1, 78158775), (3, 26052925), (5, 15631755), (15, 5210585), (17, 4597575), (25, 3126351), (51, 1532525), (59, 1324725), (75, 1042117), (85, 919515), (177, 441575), (255, 306505), (295, 264945), (425, 183903), (885, 88315), (1003, 77925), (1039, 75225), (1275, 61301), (1475, 52989), (3009, 25975), (3117, 25075), (4425, 17663), (5015, 15585), (5195, 15045)]