221987520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{25693}}^1$

素因数の和:25719

約数の個数: 112

約数和(自身を含む): 783153120

約数和(自身を除く): 561165600

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, 25693, 51386, 77079, 102772, 128465, 154158, 205544, 231237, 256930, 308316, 385395, 411088, 462474, 513860, 616632, 693711, 770790, 822176, 924948, 1027720, 1156185, 1233264, 1387422, 1541580, 1644352, 1849896, 2055440, 2312370, 2466528, 2774844, 3083160, 3468555, 3699792, 4110880, 4624740, 4933056, 5549688, 6166320, 6937110, 7399584, 8221760, 9249480, 11099376, 12332640, 13874220, 14799168, 18498960, 22198752, 24665280, 27748440, 36997920, 44397504, 55496880, 73995840, 110993760, 221987520]

約数ペア:

[(1, 221987520), (2, 110993760), (3, 73995840), (4, 55496880), (5, 44397504), (6, 36997920), (8, 27748440), (9, 24665280), (10, 22198752), (12, 18498960), (15, 14799168), (16, 13874220), (18, 12332640), (20, 11099376), (24, 9249480), (27, 8221760), (30, 7399584), (32, 6937110), (36, 6166320), (40, 5549688), (45, 4933056), (48, 4624740), (54, 4110880), (60, 3699792), (64, 3468555), (72, 3083160), (80, 2774844), (90, 2466528), (96, 2312370), (108, 2055440), (120, 1849896), (135, 1644352), (144, 1541580), (160, 1387422), (180, 1233264), (192, 1156185), (216, 1027720), (240, 924948), (270, 822176), (288, 770790), (320, 693711), (360, 616632), (432, 513860), (480, 462474), (540, 411088), (576, 385395), (720, 308316), (864, 256930), (960, 231237), (1080, 205544), (1440, 154158), (1728, 128465), (2160, 102772), (2880, 77079), (4320, 51386), (8640, 25693)]