81084420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3547}}^1$

素因数の和:3689

約数の個数: 72

約数和(自身を含む): 247962624

約数和(自身を除く): 166878204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3547, 3810, 4572, 5715, 7094, 7620, 10641, 11430, 14188, 17735, 21282, 22860, 31923, 35470, 42564, 53205, 63846, 70940, 106410, 127692, 159615, 212820, 319230, 450469, 638460, 900938, 1351407, 1801876, 2252345, 2702814, 4054221, 4504690, 5405628, 6757035, 8108442, 9009380, 13514070, 16216884, 20271105, 27028140, 40542210, 81084420]

約数ペア:

[(1, 81084420), (2, 40542210), (3, 27028140), (4, 20271105), (5, 16216884), (6, 13514070), (9, 9009380), (10, 8108442), (12, 6757035), (15, 5405628), (18, 4504690), (20, 4054221), (30, 2702814), (36, 2252345), (45, 1801876), (60, 1351407), (90, 900938), (127, 638460), (180, 450469), (254, 319230), (381, 212820), (508, 159615), (635, 127692), (762, 106410), (1143, 70940), (1270, 63846), (1524, 53205), (1905, 42564), (2286, 35470), (2540, 31923), (3547, 22860), (3810, 21282), (4572, 17735), (5715, 14188), (7094, 11430), (7620, 10641)]