252995280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5351}}^1$

素因数の和:5564

約数の個数: 80

約数和(自身を含む): 788413824

約数和(自身を除く): 535418544

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, 5351, 5910, 7880, 9456, 10702, 11820, 15760, 16053, 21404, 23640, 26755, 32106, 42808, 47280, 53510, 64212, 80265, 85616, 107020, 128424, 160530, 214040, 256848, 321060, 428080, 642120, 1054147, 1284240, 2108294, 3162441, 4216588, 5270735, 6324882, 8433176, 10541470, 12649764, 15812205, 16866352, 21082940, 25299528, 31624410, 42165880, 50599056, 63248820, 84331760, 126497640, 252995280]

約数ペア:

[(1, 252995280), (2, 126497640), (3, 84331760), (4, 63248820), (5, 50599056), (6, 42165880), (8, 31624410), (10, 25299528), (12, 21082940), (15, 16866352), (16, 15812205), (20, 12649764), (24, 10541470), (30, 8433176), (40, 6324882), (48, 5270735), (60, 4216588), (80, 3162441), (120, 2108294), (197, 1284240), (240, 1054147), (394, 642120), (591, 428080), (788, 321060), (985, 256848), (1182, 214040), (1576, 160530), (1970, 128424), (2364, 107020), (2955, 85616), (3152, 80265), (3940, 64212), (4728, 53510), (5351, 47280), (5910, 42808), (7880, 32106), (9456, 26755), (10702, 23640), (11820, 21404), (15760, 16053)]