30678795

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{337}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 64749984

約数和(自身を除く): 34071189

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 289, 315, 337, 357, 595, 765, 867, 1011, 1071, 1445, 1685, 1785, 2023, 2359, 2601, 3033, 4335, 5055, 5355, 5729, 6069, 7077, 10115, 11795, 13005, 15165, 17187, 18207, 21231, 28645, 30345, 35385, 40103, 51561, 85935, 91035, 97393, 106155, 120309, 200515, 257805, 292179, 360927, 486965, 601545, 681751, 876537, 1460895, 1804635, 2045253, 3408755, 4382685, 6135759, 10226265, 30678795]

約数ペア:

[(1, 30678795), (3, 10226265), (5, 6135759), (7, 4382685), (9, 3408755), (15, 2045253), (17, 1804635), (21, 1460895), (35, 876537), (45, 681751), (51, 601545), (63, 486965), (85, 360927), (105, 292179), (119, 257805), (153, 200515), (255, 120309), (289, 106155), (315, 97393), (337, 91035), (357, 85935), (595, 51561), (765, 40103), (867, 35385), (1011, 30345), (1071, 28645), (1445, 21231), (1685, 18207), (1785, 17187), (2023, 15165), (2359, 13005), (2601, 11795), (3033, 10115), (4335, 7077), (5055, 6069), (5355, 5729)]