221261760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{25609}}^1$

素因数の和:25635

約数の個数: 112

約数和(自身を含む): 780592800

約数和(自身を除く): 559331040

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, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 25609, 51218, 76827, 102436, 128045, 153654, 204872, 230481, 256090, 307308, 384135, 409744, 460962, 512180, 614616, 691443, 768270, 819488, 921924, 1024360, 1152405, 1229232, 1382886, 1536540, 1638976, 1843848, 2048720, 2304810, 2458464, 2765772, 3073080, 3457215, 3687696, 4097440, 4609620, 4916928, 5531544, 6146160, 6914430, 7375392, 8194880, 9219240, 11063088, 12292320, 13828860, 14750784, 18438480, 22126176, 24584640, 27657720, 36876960, 44252352, 55315440, 73753920, 110630880, 221261760]

約数ペア:

[(1, 221261760), (2, 110630880), (3, 73753920), (4, 55315440), (5, 44252352), (6, 36876960), (8, 27657720), (9, 24584640), (10, 22126176), (12, 18438480), (15, 14750784), (16, 13828860), (18, 12292320), (20, 11063088), (24, 9219240), (27, 8194880), (30, 7375392), (32, 6914430), (36, 6146160), (40, 5531544), (45, 4916928), (48, 4609620), (54, 4097440), (60, 3687696), (64, 3457215), (72, 3073080), (80, 2765772), (90, 2458464), (96, 2304810), (108, 2048720), (120, 1843848), (135, 1638976), (144, 1536540), (160, 1382886), (180, 1229232), (192, 1152405), (216, 1024360), (240, 921924), (270, 819488), (288, 768270), (320, 691443), (360, 614616), (432, 512180), (480, 460962), (540, 409744), (576, 384135), (720, 307308), (864, 256090), (960, 230481), (1080, 204872), (1440, 153654), (1728, 128045), (2160, 102436), (2880, 76827), (4320, 51218), (8640, 25609)]