15180715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 21312000

約数和(自身を除く): 6131285

約数列:

[1, 5, 11, 19, 55, 73, 95, 199, 209, 365, 803, 995, 1045, 1387, 2189, 3781, 4015, 6935, 10945, 14527, 15257, 18905, 41591, 72635, 76285, 159797, 207955, 276013, 798985, 1380065, 3036143, 15180715]

約数ペア:

[(1, 15180715), (5, 3036143), (11, 1380065), (19, 798985), (55, 276013), (73, 207955), (95, 159797), (199, 76285), (209, 72635), (365, 41591), (803, 18905), (995, 15257), (1045, 14527), (1387, 10945), (2189, 6935), (3781, 4015)]