20027855280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{423601}}^1$

素因数の和:423814

約数の個数: 80

約数和(自身を含む): 62401657824

約数和(自身を除く): 42373802544

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, 4728, 5910, 7880, 9456, 11820, 15760, 23640, 47280, 423601, 847202, 1270803, 1694404, 2118005, 2541606, 3388808, 4236010, 5083212, 6354015, 6777616, 8472020, 10166424, 12708030, 16944040, 20332848, 25416060, 33888080, 50832120, 83449397, 101664240, 166898794, 250348191, 333797588, 417246985, 500696382, 667595176, 834493970, 1001392764, 1251740955, 1335190352, 1668987940, 2002785528, 2503481910, 3337975880, 4005571056, 5006963820, 6675951760, 10013927640, 20027855280]

約数ペア:

[(1, 20027855280), (2, 10013927640), (3, 6675951760), (4, 5006963820), (5, 4005571056), (6, 3337975880), (8, 2503481910), (10, 2002785528), (12, 1668987940), (15, 1335190352), (16, 1251740955), (20, 1001392764), (24, 834493970), (30, 667595176), (40, 500696382), (48, 417246985), (60, 333797588), (80, 250348191), (120, 166898794), (197, 101664240), (240, 83449397), (394, 50832120), (591, 33888080), (788, 25416060), (985, 20332848), (1182, 16944040), (1576, 12708030), (1970, 10166424), (2364, 8472020), (2955, 6777616), (3152, 6354015), (3940, 5083212), (4728, 4236010), (5910, 3388808), (7880, 2541606), (9456, 2118005), (11820, 1694404), (15760, 1270803), (23640, 847202), (47280, 423601)]