205458180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{51109}}^1$

素因数の和:51188

約数の個数: 48

約数和(自身を含む): 583880640

約数和(自身を除く): 378422460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 51109, 102218, 153327, 204436, 255545, 306654, 511090, 613308, 766635, 1022180, 1533270, 3066540, 3424303, 6848606, 10272909, 13697212, 17121515, 20545818, 34243030, 41091636, 51364545, 68486060, 102729090, 205458180]

約数ペア:

[(1, 205458180), (2, 102729090), (3, 68486060), (4, 51364545), (5, 41091636), (6, 34243030), (10, 20545818), (12, 17121515), (15, 13697212), (20, 10272909), (30, 6848606), (60, 3424303), (67, 3066540), (134, 1533270), (201, 1022180), (268, 766635), (335, 613308), (402, 511090), (670, 306654), (804, 255545), (1005, 204436), (1340, 153327), (2010, 102218), (4020, 51109)]