80941755

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 141834240

約数和(自身を除く): 60892485

約数列:

[1, 3, 5, 15, 29, 37, 47, 87, 107, 111, 141, 145, 185, 235, 321, 435, 535, 555, 705, 1073, 1363, 1605, 1739, 3103, 3219, 3959, 4089, 5029, 5217, 5365, 6815, 8695, 9309, 11877, 15087, 15515, 16095, 19795, 20445, 25145, 26085, 46545, 50431, 59385, 75435, 114811, 145841, 151293, 186073, 252155, 344433, 437523, 558219, 574055, 729205, 756465, 930365, 1722165, 2187615, 2791095, 5396117, 16188351, 26980585, 80941755]

約数ペア:

[(1, 80941755), (3, 26980585), (5, 16188351), (15, 5396117), (29, 2791095), (37, 2187615), (47, 1722165), (87, 930365), (107, 756465), (111, 729205), (141, 574055), (145, 558219), (185, 437523), (235, 344433), (321, 252155), (435, 186073), (535, 151293), (555, 145841), (705, 114811), (1073, 75435), (1363, 59385), (1605, 50431), (1739, 46545), (3103, 26085), (3219, 25145), (3959, 20445), (4089, 19795), (5029, 16095), (5217, 15515), (5365, 15087), (6815, 11877), (8695, 9309)]