72015125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 111451392

約数和(自身を除く): 39436267

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 169, 175, 325, 455, 487, 845, 875, 1183, 1625, 2275, 2435, 3409, 4225, 5915, 6331, 11375, 12175, 17045, 21125, 29575, 31655, 44317, 60875, 82303, 85225, 147875, 158275, 221585, 411515, 426125, 576121, 791375, 1107925, 2057575, 2880605, 5539625, 10287875, 14403025, 72015125]

約数ペア:

[(1, 72015125), (5, 14403025), (7, 10287875), (13, 5539625), (25, 2880605), (35, 2057575), (65, 1107925), (91, 791375), (125, 576121), (169, 426125), (175, 411515), (325, 221585), (455, 158275), (487, 147875), (845, 85225), (875, 82303), (1183, 60875), (1625, 44317), (2275, 31655), (2435, 29575), (3409, 21125), (4225, 17045), (5915, 12175), (6331, 11375)]