21988800

素因数分解:

$2^6\times 3^3\times 5^2\times {\mathrm{509}}^1$

素因数の和:540

約数の個数: 168

約数和(自身を含む): 80314800

約数和(自身を除く): 58326000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 270, 288, 300, 320, 360, 400, 432, 450, 480, 509, 540, 576, 600, 675, 720, 800, 864, 900, 960, 1018, 1080, 1200, 1350, 1440, 1527, 1600, 1728, 1800, 2036, 2160, 2400, 2545, 2700, 2880, 3054, 3600, 4072, 4320, 4581, 4800, 5090, 5400, 6108, 7200, 7635, 8144, 8640, 9162, 10180, 10800, 12216, 12725, 13743, 14400, 15270, 16288, 18324, 20360, 21600, 22905, 24432, 25450, 27486, 30540, 32576, 36648, 38175, 40720, 43200, 45810, 48864, 50900, 54972, 61080, 68715, 73296, 76350, 81440, 91620, 97728, 101800, 109944, 114525, 122160, 137430, 146592, 152700, 162880, 183240, 203600, 219888, 229050, 244320, 274860, 293184, 305400, 343575, 366480, 407200, 439776, 458100, 488640, 549720, 610800, 687150, 732960, 814400, 879552, 916200, 1099440, 1221600, 1374300, 1465920, 1832400, 2198880, 2443200, 2748600, 3664800, 4397760, 5497200, 7329600, 10994400, 21988800]

約数ペア:

[(1, 21988800), (2, 10994400), (3, 7329600), (4, 5497200), (5, 4397760), (6, 3664800), (8, 2748600), (9, 2443200), (10, 2198880), (12, 1832400), (15, 1465920), (16, 1374300), (18, 1221600), (20, 1099440), (24, 916200), (25, 879552), (27, 814400), (30, 732960), (32, 687150), (36, 610800), (40, 549720), (45, 488640), (48, 458100), (50, 439776), (54, 407200), (60, 366480), (64, 343575), (72, 305400), (75, 293184), (80, 274860), (90, 244320), (96, 229050), (100, 219888), (108, 203600), (120, 183240), (135, 162880), (144, 152700), (150, 146592), (160, 137430), (180, 122160), (192, 114525), (200, 109944), (216, 101800), (225, 97728), (240, 91620), (270, 81440), (288, 76350), (300, 73296), (320, 68715), (360, 61080), (400, 54972), (432, 50900), (450, 48864), (480, 45810), (509, 43200), (540, 40720), (576, 38175), (600, 36648), (675, 32576), (720, 30540), (800, 27486), (864, 25450), (900, 24432), (960, 22905), (1018, 21600), (1080, 20360), (1200, 18324), (1350, 16288), (1440, 15270), (1527, 14400), (1600, 13743), (1728, 12725), (1800, 12216), (2036, 10800), (2160, 10180), (2400, 9162), (2545, 8640), (2700, 8144), (2880, 7635), (3054, 7200), (3600, 6108), (4072, 5400), (4320, 5090), (4581, 4800)]