81521280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{14153}}^1$

素因数の和:14178

約数の個数: 96

約数和(自身を含む): 281523060

約数和(自身を除く): 200001780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 14153, 28306, 42459, 56612, 70765, 84918, 113224, 127377, 141530, 169836, 212295, 226448, 254754, 283060, 339672, 424590, 452896, 509508, 566120, 636885, 679344, 849180, 905792, 1019016, 1132240, 1273770, 1358688, 1698360, 1811584, 2038032, 2264480, 2547540, 2717376, 3396720, 4076064, 4528960, 5095080, 5434752, 6793440, 8152128, 9057920, 10190160, 13586880, 16304256, 20380320, 27173760, 40760640, 81521280]

約数ペア:

[(1, 81521280), (2, 40760640), (3, 27173760), (4, 20380320), (5, 16304256), (6, 13586880), (8, 10190160), (9, 9057920), (10, 8152128), (12, 6793440), (15, 5434752), (16, 5095080), (18, 4528960), (20, 4076064), (24, 3396720), (30, 2717376), (32, 2547540), (36, 2264480), (40, 2038032), (45, 1811584), (48, 1698360), (60, 1358688), (64, 1273770), (72, 1132240), (80, 1019016), (90, 905792), (96, 849180), (120, 679344), (128, 636885), (144, 566120), (160, 509508), (180, 452896), (192, 424590), (240, 339672), (288, 283060), (320, 254754), (360, 226448), (384, 212295), (480, 169836), (576, 141530), (640, 127377), (720, 113224), (960, 84918), (1152, 70765), (1440, 56612), (1920, 42459), (2880, 28306), (5760, 14153)]