81474012

素因数分解:

$2^2\times 3^5\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 215815600

約数和(自身を除く): 134341588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 243, 324, 327, 436, 486, 654, 769, 972, 981, 1308, 1538, 1962, 2307, 2943, 3076, 3924, 4614, 5886, 6921, 8829, 9228, 11772, 13842, 17658, 20763, 26487, 27684, 35316, 41526, 52974, 62289, 83052, 83821, 105948, 124578, 167642, 186867, 249156, 251463, 335284, 373734, 502926, 747468, 754389, 1005852, 1508778, 2263167, 3017556, 4526334, 6789501, 9052668, 13579002, 20368503, 27158004, 40737006, 81474012]

約数ペア:

[(1, 81474012), (2, 40737006), (3, 27158004), (4, 20368503), (6, 13579002), (9, 9052668), (12, 6789501), (18, 4526334), (27, 3017556), (36, 2263167), (54, 1508778), (81, 1005852), (108, 754389), (109, 747468), (162, 502926), (218, 373734), (243, 335284), (324, 251463), (327, 249156), (436, 186867), (486, 167642), (654, 124578), (769, 105948), (972, 83821), (981, 83052), (1308, 62289), (1538, 52974), (1962, 41526), (2307, 35316), (2943, 27684), (3076, 26487), (3924, 20763), (4614, 17658), (5886, 13842), (6921, 11772), (8829, 9228)]