81324450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1568

約数の個数: 72

約数和(自身を含む): 220366848

約数和(自身を除く): 139042398

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 127, 150, 225, 254, 381, 450, 635, 762, 1143, 1270, 1423, 1905, 2286, 2846, 3175, 3810, 4269, 5715, 6350, 7115, 8538, 9525, 11430, 12807, 14230, 19050, 21345, 25614, 28575, 35575, 42690, 57150, 64035, 71150, 106725, 128070, 180721, 213450, 320175, 361442, 542163, 640350, 903605, 1084326, 1626489, 1807210, 2710815, 3252978, 4518025, 5421630, 8132445, 9036050, 13554075, 16264890, 27108150, 40662225, 81324450]

約数ペア:

[(1, 81324450), (2, 40662225), (3, 27108150), (5, 16264890), (6, 13554075), (9, 9036050), (10, 8132445), (15, 5421630), (18, 4518025), (25, 3252978), (30, 2710815), (45, 1807210), (50, 1626489), (75, 1084326), (90, 903605), (127, 640350), (150, 542163), (225, 361442), (254, 320175), (381, 213450), (450, 180721), (635, 128070), (762, 106725), (1143, 71150), (1270, 64035), (1423, 57150), (1905, 42690), (2286, 35575), (2846, 28575), (3175, 25614), (3810, 21345), (4269, 19050), (5715, 14230), (6350, 12807), (7115, 11430), (8538, 9525)]