66763785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 55163895

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 71, 123, 139, 165, 205, 213, 355, 417, 451, 615, 695, 781, 1065, 1353, 1529, 2085, 2255, 2343, 2911, 3905, 4587, 5699, 6765, 7645, 8733, 9869, 11715, 14555, 17097, 22935, 28495, 29607, 32021, 43665, 49345, 62689, 85485, 96063, 108559, 148035, 160105, 188067, 313445, 325677, 404629, 480315, 542795, 940335, 1213887, 1628385, 2023145, 4450919, 6069435, 13352757, 22254595, 66763785]

約数ペア:

[(1, 66763785), (3, 22254595), (5, 13352757), (11, 6069435), (15, 4450919), (33, 2023145), (41, 1628385), (55, 1213887), (71, 940335), (123, 542795), (139, 480315), (165, 404629), (205, 325677), (213, 313445), (355, 188067), (417, 160105), (451, 148035), (615, 108559), (695, 96063), (781, 85485), (1065, 62689), (1353, 49345), (1529, 43665), (2085, 32021), (2255, 29607), (2343, 28495), (2911, 22935), (3905, 17097), (4587, 14555), (5699, 11715), (6765, 9869), (7645, 8733)]