61142740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 136241280

約数和(自身を除く): 75098540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2179, 2806, 4358, 5612, 7015, 8716, 10895, 14030, 21790, 28060, 43580, 50117, 100234, 132919, 200468, 250585, 265838, 501170, 531676, 664595, 1002340, 1329190, 2658380, 3057137, 6114274, 12228548, 15285685, 30571370, 61142740]

約数ペア:

[(1, 61142740), (2, 30571370), (4, 15285685), (5, 12228548), (10, 6114274), (20, 3057137), (23, 2658380), (46, 1329190), (61, 1002340), (92, 664595), (115, 531676), (122, 501170), (230, 265838), (244, 250585), (305, 200468), (460, 132919), (610, 100234), (1220, 50117), (1403, 43580), (2179, 28060), (2806, 21790), (4358, 14030), (5612, 10895), (7015, 8716)]