18161280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1051}}^1$

素因数の和:1079

約数の個数: 128

約数和(自身を含む): 64382400

約数和(自身を除く): 46221120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1051, 1080, 1152, 1440, 1728, 1920, 2102, 2160, 2880, 3153, 3456, 4204, 4320, 5255, 5760, 6306, 8408, 8640, 9459, 10510, 12612, 15765, 16816, 17280, 18918, 21020, 25224, 28377, 31530, 33632, 37836, 42040, 47295, 50448, 56754, 63060, 67264, 75672, 84080, 94590, 100896, 113508, 126120, 134528, 141885, 151344, 168160, 189180, 201792, 227016, 252240, 283770, 302688, 336320, 378360, 403584, 454032, 504480, 567540, 605376, 672640, 756720, 908064, 1008960, 1135080, 1210752, 1513440, 1816128, 2017920, 2270160, 3026880, 3632256, 4540320, 6053760, 9080640, 18161280]

約数ペア:

[(1, 18161280), (2, 9080640), (3, 6053760), (4, 4540320), (5, 3632256), (6, 3026880), (8, 2270160), (9, 2017920), (10, 1816128), (12, 1513440), (15, 1210752), (16, 1135080), (18, 1008960), (20, 908064), (24, 756720), (27, 672640), (30, 605376), (32, 567540), (36, 504480), (40, 454032), (45, 403584), (48, 378360), (54, 336320), (60, 302688), (64, 283770), (72, 252240), (80, 227016), (90, 201792), (96, 189180), (108, 168160), (120, 151344), (128, 141885), (135, 134528), (144, 126120), (160, 113508), (180, 100896), (192, 94590), (216, 84080), (240, 75672), (270, 67264), (288, 63060), (320, 56754), (360, 50448), (384, 47295), (432, 42040), (480, 37836), (540, 33632), (576, 31530), (640, 28377), (720, 25224), (864, 21020), (960, 18918), (1051, 17280), (1080, 16816), (1152, 15765), (1440, 12612), (1728, 10510), (1920, 9459), (2102, 8640), (2160, 8408), (2880, 6306), (3153, 5760), (3456, 5255), (4204, 4320)]