81393030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7121}}^1$

素因数の和:7261

約数の個数: 48

約数和(自身を含む): 213318144

約数和(自身を除く): 131925114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1905, 2286, 3810, 5715, 7121, 11430, 14242, 21363, 35605, 42726, 64089, 71210, 106815, 128178, 213630, 320445, 640890, 904367, 1808734, 2713101, 4521835, 5426202, 8139303, 9043670, 13565505, 16278606, 27131010, 40696515, 81393030]

約数ペア:

[(1, 81393030), (2, 40696515), (3, 27131010), (5, 16278606), (6, 13565505), (9, 9043670), (10, 8139303), (15, 5426202), (18, 4521835), (30, 2713101), (45, 1808734), (90, 904367), (127, 640890), (254, 320445), (381, 213630), (635, 128178), (762, 106815), (1143, 71210), (1270, 64089), (1905, 42726), (2286, 35605), (3810, 21363), (5715, 14242), (7121, 11430)]