131308140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8719}}^1$

素因数の和:8982

約数の個数: 48

約数和(自身を含む): 369169920

約数和(自身を除く): 237861780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2510, 3012, 3765, 5020, 7530, 8719, 15060, 17438, 26157, 34876, 43595, 52314, 87190, 104628, 130785, 174380, 261570, 523140, 2188469, 4376938, 6565407, 8753876, 10942345, 13130814, 21884690, 26261628, 32827035, 43769380, 65654070, 131308140]

約数ペア:

[(1, 131308140), (2, 65654070), (3, 43769380), (4, 32827035), (5, 26261628), (6, 21884690), (10, 13130814), (12, 10942345), (15, 8753876), (20, 6565407), (30, 4376938), (60, 2188469), (251, 523140), (502, 261570), (753, 174380), (1004, 130785), (1255, 104628), (1506, 87190), (2510, 52314), (3012, 43595), (3765, 34876), (5020, 26157), (7530, 17438), (8719, 15060)]