161566125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 312599040

約数和(自身を除く): 151032915

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 125, 175, 183, 305, 375, 427, 525, 875, 915, 1009, 1281, 1525, 2135, 2625, 3027, 4575, 5045, 6405, 7063, 7625, 10675, 15135, 21189, 22875, 25225, 32025, 35315, 53375, 61549, 75675, 105945, 126125, 160125, 176575, 184647, 307745, 378375, 430843, 529725, 882875, 923235, 1292529, 1538725, 2154215, 2648625, 4616175, 6462645, 7693625, 10771075, 23080875, 32313225, 53855375, 161566125]

約数ペア:

[(1, 161566125), (3, 53855375), (5, 32313225), (7, 23080875), (15, 10771075), (21, 7693625), (25, 6462645), (35, 4616175), (61, 2648625), (75, 2154215), (105, 1538725), (125, 1292529), (175, 923235), (183, 882875), (305, 529725), (375, 430843), (427, 378375), (525, 307745), (875, 184647), (915, 176575), (1009, 160125), (1281, 126125), (1525, 105945), (2135, 75675), (2625, 61549), (3027, 53375), (4575, 35315), (5045, 32025), (6405, 25225), (7063, 22875), (7625, 21189), (10675, 15135)]