18719201520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{33721}}^1$

素因数の和:34000

約数の個数: 160

約数和(自身を含む): 64730053440

約数和(自身を除く): 46010851920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 257, 270, 360, 432, 514, 540, 720, 771, 1028, 1080, 1285, 1542, 2056, 2160, 2313, 2570, 3084, 3855, 4112, 4626, 5140, 6168, 6939, 7710, 9252, 10280, 11565, 12336, 13878, 15420, 18504, 20560, 23130, 27756, 30840, 33721, 34695, 37008, 46260, 55512, 61680, 67442, 69390, 92520, 101163, 111024, 134884, 138780, 168605, 185040, 202326, 269768, 277560, 303489, 337210, 404652, 505815, 539536, 555120, 606978, 674420, 809304, 910467, 1011630, 1213956, 1348840, 1517445, 1618608, 1820934, 2023260, 2427912, 2697680, 3034890, 3641868, 4046520, 4552335, 4855824, 6069780, 7283736, 8093040, 8666297, 9104670, 12139560, 14567472, 17332594, 18209340, 24279120, 25998891, 34665188, 36418680, 43331485, 51997782, 69330376, 72837360, 77996673, 86662970, 103995564, 129994455, 138660752, 155993346, 173325940, 207991128, 233990019, 259988910, 311986692, 346651880, 389983365, 415982256, 467980038, 519977820, 623973384, 693303760, 779966730, 935960076, 1039955640, 1169950095, 1247946768, 1559933460, 1871920152, 2079911280, 2339900190, 3119866920, 3743840304, 4679800380, 6239733840, 9359600760, 18719201520]

約数ペア:

[(1, 18719201520), (2, 9359600760), (3, 6239733840), (4, 4679800380), (5, 3743840304), (6, 3119866920), (8, 2339900190), (9, 2079911280), (10, 1871920152), (12, 1559933460), (15, 1247946768), (16, 1169950095), (18, 1039955640), (20, 935960076), (24, 779966730), (27, 693303760), (30, 623973384), (36, 519977820), (40, 467980038), (45, 415982256), (48, 389983365), (54, 346651880), (60, 311986692), (72, 259988910), (80, 233990019), (90, 207991128), (108, 173325940), (120, 155993346), (135, 138660752), (144, 129994455), (180, 103995564), (216, 86662970), (240, 77996673), (257, 72837360), (270, 69330376), (360, 51997782), (432, 43331485), (514, 36418680), (540, 34665188), (720, 25998891), (771, 24279120), (1028, 18209340), (1080, 17332594), (1285, 14567472), (1542, 12139560), (2056, 9104670), (2160, 8666297), (2313, 8093040), (2570, 7283736), (3084, 6069780), (3855, 4855824), (4112, 4552335), (4626, 4046520), (5140, 3641868), (6168, 3034890), (6939, 2697680), (7710, 2427912), (9252, 2023260), (10280, 1820934), (11565, 1618608), (12336, 1517445), (13878, 1348840), (15420, 1213956), (18504, 1011630), (20560, 910467), (23130, 809304), (27756, 674420), (30840, 606978), (33721, 555120), (34695, 539536), (37008, 505815), (46260, 404652), (55512, 337210), (61680, 303489), (67442, 277560), (69390, 269768), (92520, 202326), (101163, 185040), (111024, 168605), (134884, 138780)]