320042085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1714

約数の個数: 64

約数和(自身を含む): 600182784

約数和(自身を除く): 280140699

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 71, 85, 165, 187, 213, 255, 355, 561, 781, 935, 1065, 1207, 1607, 2343, 2805, 3621, 3905, 4821, 6035, 8035, 11715, 13277, 17677, 18105, 24105, 27319, 39831, 53031, 66385, 81957, 88385, 114097, 136595, 199155, 265155, 300509, 342291, 409785, 570485, 901527, 1255067, 1502545, 1711455, 1939649, 3765201, 4507635, 5818947, 6275335, 9698245, 18826005, 21336139, 29094735, 64008417, 106680695, 320042085]

約数ペア:

[(1, 320042085), (3, 106680695), (5, 64008417), (11, 29094735), (15, 21336139), (17, 18826005), (33, 9698245), (51, 6275335), (55, 5818947), (71, 4507635), (85, 3765201), (165, 1939649), (187, 1711455), (213, 1502545), (255, 1255067), (355, 901527), (561, 570485), (781, 409785), (935, 342291), (1065, 300509), (1207, 265155), (1607, 199155), (2343, 136595), (2805, 114097), (3621, 88385), (3905, 81957), (4821, 66385), (6035, 53031), (8035, 39831), (11715, 27319), (13277, 24105), (17677, 18105)]