81758940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6917}}^1$

素因数の和:7126

約数の個数: 48

約数和(自身を含む): 230120352

約数和(自身を除く): 148361412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2955, 3940, 5910, 6917, 11820, 13834, 20751, 27668, 34585, 41502, 69170, 83004, 103755, 138340, 207510, 415020, 1362649, 2725298, 4087947, 5450596, 6813245, 8175894, 13626490, 16351788, 20439735, 27252980, 40879470, 81758940]

約数ペア:

[(1, 81758940), (2, 40879470), (3, 27252980), (4, 20439735), (5, 16351788), (6, 13626490), (10, 8175894), (12, 6813245), (15, 5450596), (20, 4087947), (30, 2725298), (60, 1362649), (197, 415020), (394, 207510), (591, 138340), (788, 103755), (985, 83004), (1182, 69170), (1970, 41502), (2364, 34585), (2955, 27668), (3940, 20751), (5910, 13834), (6917, 11820)]