156720075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 276768000

約数和(自身を除く): 120047925

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 213, 285, 355, 475, 1065, 1349, 1425, 1549, 1775, 4047, 4647, 5325, 6745, 7745, 20235, 23235, 29431, 33725, 38725, 88293, 101175, 109979, 116175, 147155, 329937, 441465, 549895, 735775, 1649685, 2089601, 2207325, 2749475, 6268803, 8248425, 10448005, 31344015, 52240025, 156720075]

約数ペア:

[(1, 156720075), (3, 52240025), (5, 31344015), (15, 10448005), (19, 8248425), (25, 6268803), (57, 2749475), (71, 2207325), (75, 2089601), (95, 1649685), (213, 735775), (285, 549895), (355, 441465), (475, 329937), (1065, 147155), (1349, 116175), (1425, 109979), (1549, 101175), (1775, 88293), (4047, 38725), (4647, 33725), (5325, 29431), (6745, 23235), (7745, 20235)]