221555520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{25643}}^1$

素因数の和:25669

約数の個数: 112

約数和(自身を含む): 781629120

約数和(自身を除く): 560073600

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, 25643, 51286, 76929, 102572, 128215, 153858, 205144, 230787, 256430, 307716, 384645, 410288, 461574, 512860, 615432, 692361, 769290, 820576, 923148, 1025720, 1153935, 1230864, 1384722, 1538580, 1641152, 1846296, 2051440, 2307870, 2461728, 2769444, 3077160, 3461805, 3692592, 4102880, 4615740, 4923456, 5538888, 6154320, 6923610, 7385184, 8205760, 9231480, 11077776, 12308640, 13847220, 14770368, 18462960, 22155552, 24617280, 27694440, 36925920, 44311104, 55388880, 73851840, 110777760, 221555520]

約数ペア:

[(1, 221555520), (2, 110777760), (3, 73851840), (4, 55388880), (5, 44311104), (6, 36925920), (8, 27694440), (9, 24617280), (10, 22155552), (12, 18462960), (15, 14770368), (16, 13847220), (18, 12308640), (20, 11077776), (24, 9231480), (27, 8205760), (30, 7385184), (32, 6923610), (36, 6154320), (40, 5538888), (45, 4923456), (48, 4615740), (54, 4102880), (60, 3692592), (64, 3461805), (72, 3077160), (80, 2769444), (90, 2461728), (96, 2307870), (108, 2051440), (120, 1846296), (135, 1641152), (144, 1538580), (160, 1384722), (180, 1230864), (192, 1153935), (216, 1025720), (240, 923148), (270, 820576), (288, 769290), (320, 692361), (360, 615432), (432, 512860), (480, 461574), (540, 410288), (576, 384645), (720, 307716), (864, 256430), (960, 230787), (1080, 205144), (1440, 153858), (1728, 128215), (2160, 102572), (2880, 76929), (4320, 51286), (8640, 25643)]