261527580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1823}}^1$

素因数の和:2635

約数の個数: 72

約数和(自身を含む): 794731392

約数和(自身を除く): 533203812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 797, 1594, 1823, 2391, 3188, 3646, 3985, 4782, 5469, 7173, 7292, 7970, 9115, 9564, 10938, 11955, 14346, 15940, 16407, 18230, 21876, 23910, 27345, 28692, 32814, 35865, 36460, 47820, 54690, 65628, 71730, 82035, 109380, 143460, 164070, 328140, 1452931, 2905862, 4358793, 5811724, 7264655, 8717586, 13076379, 14529310, 17435172, 21793965, 26152758, 29058620, 43587930, 52305516, 65381895, 87175860, 130763790, 261527580]

約数ペア:

[(1, 261527580), (2, 130763790), (3, 87175860), (4, 65381895), (5, 52305516), (6, 43587930), (9, 29058620), (10, 26152758), (12, 21793965), (15, 17435172), (18, 14529310), (20, 13076379), (30, 8717586), (36, 7264655), (45, 5811724), (60, 4358793), (90, 2905862), (180, 1452931), (797, 328140), (1594, 164070), (1823, 143460), (2391, 109380), (3188, 82035), (3646, 71730), (3985, 65628), (4782, 54690), (5469, 47820), (7173, 36460), (7292, 35865), (7970, 32814), (9115, 28692), (9564, 27345), (10938, 23910), (11955, 21876), (14346, 18230), (15940, 16407)]