19995579720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{287789}}^1$

素因数の和:287999

約数の個数: 96

約数和(自身を含む): 65322574200

約数和(自身を除く): 45326994480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 193, 360, 386, 579, 772, 965, 1158, 1544, 1737, 1930, 2316, 2895, 3474, 3860, 4632, 5790, 6948, 7720, 8685, 11580, 13896, 17370, 23160, 34740, 69480, 287789, 575578, 863367, 1151156, 1438945, 1726734, 2302312, 2590101, 2877890, 3453468, 4316835, 5180202, 5755780, 6906936, 8633670, 10360404, 11511560, 12950505, 17267340, 20720808, 25901010, 34534680, 51802020, 55543277, 103604040, 111086554, 166629831, 222173108, 277716385, 333259662, 444346216, 499889493, 555432770, 666519324, 833149155, 999778986, 1110865540, 1333038648, 1666298310, 1999557972, 2221731080, 2499447465, 3332596620, 3999115944, 4998894930, 6665193240, 9997789860, 19995579720]

約数ペア:

[(1, 19995579720), (2, 9997789860), (3, 6665193240), (4, 4998894930), (5, 3999115944), (6, 3332596620), (8, 2499447465), (9, 2221731080), (10, 1999557972), (12, 1666298310), (15, 1333038648), (18, 1110865540), (20, 999778986), (24, 833149155), (30, 666519324), (36, 555432770), (40, 499889493), (45, 444346216), (60, 333259662), (72, 277716385), (90, 222173108), (120, 166629831), (180, 111086554), (193, 103604040), (360, 55543277), (386, 51802020), (579, 34534680), (772, 25901010), (965, 20720808), (1158, 17267340), (1544, 12950505), (1737, 11511560), (1930, 10360404), (2316, 8633670), (2895, 6906936), (3474, 5755780), (3860, 5180202), (4632, 4316835), (5790, 3453468), (6948, 2877890), (7720, 2590101), (8685, 2302312), (11580, 1726734), (13896, 1438945), (17370, 1151156), (23160, 863367), (34740, 575578), (69480, 287789)]