128575185

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 226540800

約数和(自身を除く): 97965615

約数列:

[1, 3, 5, 15, 19, 37, 57, 89, 95, 111, 137, 185, 267, 285, 411, 445, 555, 685, 703, 1335, 1691, 2055, 2109, 2603, 3293, 3515, 5069, 5073, 7809, 8455, 9879, 10545, 12193, 13015, 15207, 16465, 25345, 25365, 36579, 39045, 49395, 60965, 62567, 76035, 96311, 182895, 187701, 231667, 288933, 312835, 451141, 481555, 695001, 938505, 1158335, 1353423, 1444665, 2255705, 3475005, 6767115, 8571679, 25715037, 42858395, 128575185]

約数ペア:

[(1, 128575185), (3, 42858395), (5, 25715037), (15, 8571679), (19, 6767115), (37, 3475005), (57, 2255705), (89, 1444665), (95, 1353423), (111, 1158335), (137, 938505), (185, 695001), (267, 481555), (285, 451141), (411, 312835), (445, 288933), (555, 231667), (685, 187701), (703, 182895), (1335, 96311), (1691, 76035), (2055, 62567), (2109, 60965), (2603, 49395), (3293, 39045), (3515, 36579), (5069, 25365), (5073, 25345), (7809, 16465), (8455, 15207), (9879, 13015), (10545, 12193)]