18813584520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{208207}}^1$

素因数の和:208475

約数の個数: 96

約数和(自身を含む): 61388046720

約数和(自身を除く): 42574462200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 251, 360, 502, 753, 1004, 1255, 1506, 2008, 2259, 2510, 3012, 3765, 4518, 5020, 6024, 7530, 9036, 10040, 11295, 15060, 18072, 22590, 30120, 45180, 90360, 208207, 416414, 624621, 832828, 1041035, 1249242, 1665656, 1873863, 2082070, 2498484, 3123105, 3747726, 4164140, 4996968, 6246210, 7495452, 8328280, 9369315, 12492420, 14990904, 18738630, 24984840, 37477260, 52259957, 74954520, 104519914, 156779871, 209039828, 261299785, 313559742, 418079656, 470339613, 522599570, 627119484, 783899355, 940679226, 1045199140, 1254238968, 1567798710, 1881358452, 2090398280, 2351698065, 3135597420, 3762716904, 4703396130, 6271194840, 9406792260, 18813584520]

約数ペア:

[(1, 18813584520), (2, 9406792260), (3, 6271194840), (4, 4703396130), (5, 3762716904), (6, 3135597420), (8, 2351698065), (9, 2090398280), (10, 1881358452), (12, 1567798710), (15, 1254238968), (18, 1045199140), (20, 940679226), (24, 783899355), (30, 627119484), (36, 522599570), (40, 470339613), (45, 418079656), (60, 313559742), (72, 261299785), (90, 209039828), (120, 156779871), (180, 104519914), (251, 74954520), (360, 52259957), (502, 37477260), (753, 24984840), (1004, 18738630), (1255, 14990904), (1506, 12492420), (2008, 9369315), (2259, 8328280), (2510, 7495452), (3012, 6246210), (3765, 4996968), (4518, 4164140), (5020, 3747726), (6024, 3123105), (7530, 2498484), (9036, 2082070), (10040, 1873863), (11295, 1665656), (15060, 1249242), (18072, 1041035), (22590, 832828), (30120, 624621), (45180, 416414), (90360, 208207)]