90919440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:857

約数の個数: 120

約数和(自身を含む): 307366488

約数和(自身を除く): 216447048

約数列:

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

約数ペア:

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