180881460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5101}}^1$

素因数の和:5313

約数の個数: 72

約数和(自身を含む): 551567016

約数和(自身を除く): 370685556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5101, 5910, 7092, 8865, 10202, 11820, 15303, 17730, 20404, 25505, 30606, 35460, 45909, 51010, 61212, 76515, 91818, 102020, 153030, 183636, 229545, 306060, 459090, 918180, 1004897, 2009794, 3014691, 4019588, 5024485, 6029382, 9044073, 10048970, 12058764, 15073455, 18088146, 20097940, 30146910, 36176292, 45220365, 60293820, 90440730, 180881460]

約数ペア:

[(1, 180881460), (2, 90440730), (3, 60293820), (4, 45220365), (5, 36176292), (6, 30146910), (9, 20097940), (10, 18088146), (12, 15073455), (15, 12058764), (18, 10048970), (20, 9044073), (30, 6029382), (36, 5024485), (45, 4019588), (60, 3014691), (90, 2009794), (180, 1004897), (197, 918180), (394, 459090), (591, 306060), (788, 229545), (985, 183636), (1182, 153030), (1773, 102020), (1970, 91818), (2364, 76515), (2955, 61212), (3546, 51010), (3940, 45909), (5101, 35460), (5910, 30606), (7092, 25505), (8865, 20404), (10202, 17730), (11820, 15303)]