42640275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 77495040

約数和(自身を除く): 34854765

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 1301, 1311, 1425, 1725, 2185, 3903, 6505, 6555, 10925, 19515, 24719, 29923, 32525, 32775, 74157, 89769, 97575, 123595, 149615, 370785, 448845, 568537, 617975, 748075, 1705611, 1853925, 2244225, 2842685, 8528055, 14213425, 42640275]

約数ペア:

[(1, 42640275), (3, 14213425), (5, 8528055), (15, 2842685), (19, 2244225), (23, 1853925), (25, 1705611), (57, 748075), (69, 617975), (75, 568537), (95, 448845), (115, 370785), (285, 149615), (345, 123595), (437, 97575), (475, 89769), (575, 74157), (1301, 32775), (1311, 32525), (1425, 29923), (1725, 24719), (2185, 19515), (3903, 10925), (6505, 6555)]