2903220

素因数分解:

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

素因数の和:269

約数の個数: 54

約数和(自身を含む): 8876322

約数和(自身を除く): 5973102

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, 3810, 4572, 5715, 7620, 11430, 16129, 22860, 32258, 48387, 64516, 80645, 96774, 145161, 161290, 193548, 241935, 290322, 322580, 483870, 580644, 725805, 967740, 1451610, 2903220]

約数ペア:

[(1, 2903220), (2, 1451610), (3, 967740), (4, 725805), (5, 580644), (6, 483870), (9, 322580), (10, 290322), (12, 241935), (15, 193548), (18, 161290), (20, 145161), (30, 96774), (36, 80645), (45, 64516), (60, 48387), (90, 32258), (127, 22860), (180, 16129), (254, 11430), (381, 7620), (508, 5715), (635, 4572), (762, 3810), (1143, 2540), (1270, 2286), (1524, 1905)]