55780485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 103161600

約数和(自身を除く): 47381115

約数列:

[1, 3, 5, 15, 17, 19, 29, 51, 57, 85, 87, 95, 145, 255, 285, 323, 397, 435, 493, 551, 969, 1191, 1479, 1615, 1653, 1985, 2465, 2755, 4845, 5955, 6749, 7395, 7543, 8265, 9367, 11513, 20247, 22629, 28101, 33745, 34539, 37715, 46835, 57565, 101235, 113145, 128231, 140505, 172695, 195721, 218747, 384693, 587163, 641155, 656241, 978605, 1093735, 1923465, 2935815, 3281205, 3718699, 11156097, 18593495, 55780485]

約数ペア:

[(1, 55780485), (3, 18593495), (5, 11156097), (15, 3718699), (17, 3281205), (19, 2935815), (29, 1923465), (51, 1093735), (57, 978605), (85, 656241), (87, 641155), (95, 587163), (145, 384693), (255, 218747), (285, 195721), (323, 172695), (397, 140505), (435, 128231), (493, 113145), (551, 101235), (969, 57565), (1191, 46835), (1479, 37715), (1615, 34539), (1653, 33745), (1985, 28101), (2465, 22629), (2755, 20247), (4845, 11513), (5955, 9367), (6749, 8265), (7395, 7543)]