82728180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2333}}^1$

素因数の和:2545

約数の個数: 72

約数和(自身を含む): 252324072

約数和(自身を除く): 169595892

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, 2333, 2364, 2955, 3546, 3940, 4666, 5910, 6999, 7092, 8865, 9332, 11665, 11820, 13998, 17730, 20997, 23330, 27996, 34995, 35460, 41994, 46660, 69990, 83988, 104985, 139980, 209970, 419940, 459601, 919202, 1378803, 1838404, 2298005, 2757606, 4136409, 4596010, 5515212, 6894015, 8272818, 9192020, 13788030, 16545636, 20682045, 27576060, 41364090, 82728180]

約数ペア:

[(1, 82728180), (2, 41364090), (3, 27576060), (4, 20682045), (5, 16545636), (6, 13788030), (9, 9192020), (10, 8272818), (12, 6894015), (15, 5515212), (18, 4596010), (20, 4136409), (30, 2757606), (36, 2298005), (45, 1838404), (60, 1378803), (90, 919202), (180, 459601), (197, 419940), (394, 209970), (591, 139980), (788, 104985), (985, 83988), (1182, 69990), (1773, 46660), (1970, 41994), (2333, 35460), (2364, 34995), (2955, 27996), (3546, 23330), (3940, 20997), (4666, 17730), (5910, 13998), (6999, 11820), (7092, 11665), (8865, 9332)]