181719180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{691}}^1$

素因数の和:1196

約数の個数: 96

約数和(自身を含む): 567329280

約数和(自身を除く): 385610100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 487, 540, 691, 974, 1382, 1461, 1948, 2073, 2435, 2764, 2922, 3455, 4146, 4383, 4870, 5844, 6219, 6910, 7305, 8292, 8766, 9740, 10365, 12438, 13149, 13820, 14610, 17532, 18657, 20730, 21915, 24876, 26298, 29220, 31095, 37314, 41460, 43830, 52596, 62190, 65745, 74628, 87660, 93285, 124380, 131490, 186570, 262980, 336517, 373140, 673034, 1009551, 1346068, 1682585, 2019102, 3028653, 3365170, 4038204, 5047755, 6057306, 6730340, 9085959, 10095510, 12114612, 15143265, 18171918, 20191020, 30286530, 36343836, 45429795, 60573060, 90859590, 181719180]

約数ペア:

[(1, 181719180), (2, 90859590), (3, 60573060), (4, 45429795), (5, 36343836), (6, 30286530), (9, 20191020), (10, 18171918), (12, 15143265), (15, 12114612), (18, 10095510), (20, 9085959), (27, 6730340), (30, 6057306), (36, 5047755), (45, 4038204), (54, 3365170), (60, 3028653), (90, 2019102), (108, 1682585), (135, 1346068), (180, 1009551), (270, 673034), (487, 373140), (540, 336517), (691, 262980), (974, 186570), (1382, 131490), (1461, 124380), (1948, 93285), (2073, 87660), (2435, 74628), (2764, 65745), (2922, 62190), (3455, 52596), (4146, 43830), (4383, 41460), (4870, 37314), (5844, 31095), (6219, 29220), (6910, 26298), (7305, 24876), (8292, 21915), (8766, 20730), (9740, 18657), (10365, 17532), (12438, 14610), (13149, 13820)]