209123280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2287}}^1$

素因数の和:2433

約数の個数: 120

約数和(自身を含む): 708145152

約数和(自身を除く): 499021872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 1016, 1143, 1270, 1524, 1905, 2032, 2286, 2287, 2540, 3048, 3810, 4572, 4574, 5080, 5715, 6096, 6861, 7620, 9144, 9148, 10160, 11430, 11435, 13722, 15240, 18288, 18296, 20583, 22860, 22870, 27444, 30480, 34305, 36592, 41166, 45720, 45740, 54888, 68610, 82332, 91440, 91480, 102915, 109776, 137220, 164664, 182960, 205830, 274440, 290449, 329328, 411660, 548880, 580898, 823320, 871347, 1161796, 1452245, 1646640, 1742694, 2323592, 2614041, 2904490, 3485388, 4356735, 4647184, 5228082, 5808980, 6970776, 8713470, 10456164, 11617960, 13070205, 13941552, 17426940, 20912328, 23235920, 26140410, 34853880, 41824656, 52280820, 69707760, 104561640, 209123280]

約数ペア:

[(1, 209123280), (2, 104561640), (3, 69707760), (4, 52280820), (5, 41824656), (6, 34853880), (8, 26140410), (9, 23235920), (10, 20912328), (12, 17426940), (15, 13941552), (16, 13070205), (18, 11617960), (20, 10456164), (24, 8713470), (30, 6970776), (36, 5808980), (40, 5228082), (45, 4647184), (48, 4356735), (60, 3485388), (72, 2904490), (80, 2614041), (90, 2323592), (120, 1742694), (127, 1646640), (144, 1452245), (180, 1161796), (240, 871347), (254, 823320), (360, 580898), (381, 548880), (508, 411660), (635, 329328), (720, 290449), (762, 274440), (1016, 205830), (1143, 182960), (1270, 164664), (1524, 137220), (1905, 109776), (2032, 102915), (2286, 91480), (2287, 91440), (2540, 82332), (3048, 68610), (3810, 54888), (4572, 45740), (4574, 45720), (5080, 41166), (5715, 36592), (6096, 34305), (6861, 30480), (7620, 27444), (9144, 22870), (9148, 22860), (10160, 20583), (11430, 18296), (11435, 18288), (13722, 15240)]