80717880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15643}}^1$

素因数の和:15700

約数の個数: 64

約数和(自身を含む): 247800960

約数和(自身を除く): 167083080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15643, 31286, 46929, 62572, 78215, 93858, 125144, 156430, 187716, 234645, 312860, 375432, 469290, 625720, 672649, 938580, 1345298, 1877160, 2017947, 2690596, 3363245, 4035894, 5381192, 6726490, 8071788, 10089735, 13452980, 16143576, 20179470, 26905960, 40358940, 80717880]

約数ペア:

[(1, 80717880), (2, 40358940), (3, 26905960), (4, 20179470), (5, 16143576), (6, 13452980), (8, 10089735), (10, 8071788), (12, 6726490), (15, 5381192), (20, 4035894), (24, 3363245), (30, 2690596), (40, 2017947), (43, 1877160), (60, 1345298), (86, 938580), (120, 672649), (129, 625720), (172, 469290), (215, 375432), (258, 312860), (344, 234645), (430, 187716), (516, 156430), (645, 125144), (860, 93858), (1032, 78215), (1290, 62572), (1720, 46929), (2580, 31286), (5160, 15643)]