820355280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{17351}}^1$

素因数の和:17564

約数の個数: 80

約数和(自身を含む): 2556157824

約数和(自身を除く): 1735802544

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, 17351, 23640, 34702, 47280, 52053, 69404, 86755, 104106, 138808, 173510, 208212, 260265, 277616, 347020, 416424, 520530, 694040, 832848, 1041060, 1388080, 2082120, 3418147, 4164240, 6836294, 10254441, 13672588, 17090735, 20508882, 27345176, 34181470, 41017764, 51272205, 54690352, 68362940, 82035528, 102544410, 136725880, 164071056, 205088820, 273451760, 410177640, 820355280]

約数ペア:

[(1, 820355280), (2, 410177640), (3, 273451760), (4, 205088820), (5, 164071056), (6, 136725880), (8, 102544410), (10, 82035528), (12, 68362940), (15, 54690352), (16, 51272205), (20, 41017764), (24, 34181470), (30, 27345176), (40, 20508882), (48, 17090735), (60, 13672588), (80, 10254441), (120, 6836294), (197, 4164240), (240, 3418147), (394, 2082120), (591, 1388080), (788, 1041060), (985, 832848), (1182, 694040), (1576, 520530), (1970, 416424), (2364, 347020), (2955, 277616), (3152, 260265), (3940, 208212), (4728, 173510), (5910, 138808), (7880, 104106), (9456, 86755), (11820, 69404), (15760, 52053), (17351, 47280), (23640, 34702)]