201807990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20201}}^1$

素因数の和:20254

約数の個数: 64

約数和(自身を含む): 552726720

約数和(自身を除く): 350918730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990, 20201, 40402, 60603, 101005, 121206, 181809, 202010, 303015, 363618, 545427, 606030, 747437, 909045, 1090854, 1494874, 1818090, 2242311, 2727135, 3737185, 4484622, 5454270, 6726933, 7474370, 11211555, 13453866, 20180799, 22423110, 33634665, 40361598, 67269330, 100903995, 201807990]

約数ペア:

[(1, 201807990), (2, 100903995), (3, 67269330), (5, 40361598), (6, 33634665), (9, 22423110), (10, 20180799), (15, 13453866), (18, 11211555), (27, 7474370), (30, 6726933), (37, 5454270), (45, 4484622), (54, 3737185), (74, 2727135), (90, 2242311), (111, 1818090), (135, 1494874), (185, 1090854), (222, 909045), (270, 747437), (333, 606030), (370, 545427), (555, 363618), (666, 303015), (999, 202010), (1110, 181809), (1665, 121206), (1998, 101005), (3330, 60603), (4995, 40402), (9990, 20201)]