78903540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2903}}^1$

素因数の和:3069

約数の個数: 72

約数和(自身を含む): 241008768

約数和(自身を除く): 162105228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1359, 1510, 1812, 2265, 2718, 2903, 3020, 4530, 5436, 5806, 6795, 8709, 9060, 11612, 13590, 14515, 17418, 26127, 27180, 29030, 34836, 43545, 52254, 58060, 87090, 104508, 130635, 174180, 261270, 438353, 522540, 876706, 1315059, 1753412, 2191765, 2630118, 3945177, 4383530, 5260236, 6575295, 7890354, 8767060, 13150590, 15780708, 19725885, 26301180, 39451770, 78903540]

約数ペア:

[(1, 78903540), (2, 39451770), (3, 26301180), (4, 19725885), (5, 15780708), (6, 13150590), (9, 8767060), (10, 7890354), (12, 6575295), (15, 5260236), (18, 4383530), (20, 3945177), (30, 2630118), (36, 2191765), (45, 1753412), (60, 1315059), (90, 876706), (151, 522540), (180, 438353), (302, 261270), (453, 174180), (604, 130635), (755, 104508), (906, 87090), (1359, 58060), (1510, 52254), (1812, 43545), (2265, 34836), (2718, 29030), (2903, 27180), (3020, 26127), (4530, 17418), (5436, 14515), (5806, 13590), (6795, 11612), (8709, 9060)]