205147920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4339}}^1$

素因数の和:4552

約数の個数: 80

約数和(自身を含む): 639334080

約数和(自身を除く): 434186160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4339, 4728, 5910, 7880, 8678, 9456, 11820, 13017, 15760, 17356, 21695, 23640, 26034, 34712, 43390, 47280, 52068, 65085, 69424, 86780, 104136, 130170, 173560, 208272, 260340, 347120, 520680, 854783, 1041360, 1709566, 2564349, 3419132, 4273915, 5128698, 6838264, 8547830, 10257396, 12821745, 13676528, 17095660, 20514792, 25643490, 34191320, 41029584, 51286980, 68382640, 102573960, 205147920]

約数ペア:

[(1, 205147920), (2, 102573960), (3, 68382640), (4, 51286980), (5, 41029584), (6, 34191320), (8, 25643490), (10, 20514792), (12, 17095660), (15, 13676528), (16, 12821745), (20, 10257396), (24, 8547830), (30, 6838264), (40, 5128698), (48, 4273915), (60, 3419132), (80, 2564349), (120, 1709566), (197, 1041360), (240, 854783), (394, 520680), (591, 347120), (788, 260340), (985, 208272), (1182, 173560), (1576, 130170), (1970, 104136), (2364, 86780), (2955, 69424), (3152, 65085), (3940, 52068), (4339, 47280), (4728, 43390), (5910, 34712), (7880, 26034), (8678, 23640), (9456, 21695), (11820, 17356), (13017, 15760)]