180748605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 314523648

約数和(自身を除く): 133775043

約数列:

[1, 3, 5, 15, 23, 47, 69, 71, 115, 141, 157, 213, 235, 345, 355, 471, 705, 785, 1065, 1081, 1633, 2355, 3243, 3337, 3611, 4899, 5405, 7379, 8165, 10011, 10833, 11147, 16215, 16685, 18055, 22137, 24495, 33441, 36895, 50055, 54165, 55735, 76751, 110685, 167205, 169717, 230253, 256381, 383755, 509151, 523909, 769143, 848585, 1151265, 1281905, 1571727, 2545755, 2619545, 3845715, 7858635, 12049907, 36149721, 60249535, 180748605]

約数ペア:

[(1, 180748605), (3, 60249535), (5, 36149721), (15, 12049907), (23, 7858635), (47, 3845715), (69, 2619545), (71, 2545755), (115, 1571727), (141, 1281905), (157, 1151265), (213, 848585), (235, 769143), (345, 523909), (355, 509151), (471, 383755), (705, 256381), (785, 230253), (1065, 169717), (1081, 167205), (1633, 110685), (2355, 76751), (3243, 55735), (3337, 54165), (3611, 50055), (4899, 36895), (5405, 33441), (7379, 24495), (8165, 22137), (10011, 18055), (10833, 16685), (11147, 16215)]