181838880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:859

約数の個数: 144

約数和(自身を含む): 624648024

約数和(自身を除く): 442809144

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, 72, 80, 90, 96, 120, 144, 160, 180, 197, 240, 288, 360, 394, 480, 591, 641, 720, 788, 985, 1182, 1282, 1440, 1576, 1773, 1923, 1970, 2364, 2564, 2955, 3152, 3205, 3546, 3846, 3940, 4728, 5128, 5769, 5910, 6304, 6410, 7092, 7692, 7880, 8865, 9456, 9615, 10256, 11538, 11820, 12820, 14184, 15384, 15760, 17730, 18912, 19230, 20512, 23076, 23640, 25640, 28368, 28845, 30768, 31520, 35460, 38460, 46152, 47280, 51280, 56736, 57690, 61536, 70920, 76920, 92304, 94560, 102560, 115380, 126277, 141840, 153840, 184608, 230760, 252554, 283680, 307680, 378831, 461520, 505108, 631385, 757662, 923040, 1010216, 1136493, 1262770, 1515324, 1894155, 2020432, 2272986, 2525540, 3030648, 3788310, 4040864, 4545972, 5051080, 5682465, 6061296, 7576620, 9091944, 10102160, 11364930, 12122592, 15153240, 18183888, 20204320, 22729860, 30306480, 36367776, 45459720, 60612960, 90919440, 181838880]

約数ペア:

[(1, 181838880), (2, 90919440), (3, 60612960), (4, 45459720), (5, 36367776), (6, 30306480), (8, 22729860), (9, 20204320), (10, 18183888), (12, 15153240), (15, 12122592), (16, 11364930), (18, 10102160), (20, 9091944), (24, 7576620), (30, 6061296), (32, 5682465), (36, 5051080), (40, 4545972), (45, 4040864), (48, 3788310), (60, 3030648), (72, 2525540), (80, 2272986), (90, 2020432), (96, 1894155), (120, 1515324), (144, 1262770), (160, 1136493), (180, 1010216), (197, 923040), (240, 757662), (288, 631385), (360, 505108), (394, 461520), (480, 378831), (591, 307680), (641, 283680), (720, 252554), (788, 230760), (985, 184608), (1182, 153840), (1282, 141840), (1440, 126277), (1576, 115380), (1773, 102560), (1923, 94560), (1970, 92304), (2364, 76920), (2564, 70920), (2955, 61536), (3152, 57690), (3205, 56736), (3546, 51280), (3846, 47280), (3940, 46152), (4728, 38460), (5128, 35460), (5769, 31520), (5910, 30768), (6304, 28845), (6410, 28368), (7092, 25640), (7692, 23640), (7880, 23076), (8865, 20512), (9456, 19230), (9615, 18912), (10256, 17730), (11538, 15760), (11820, 15384), (12820, 14184)]