30159745

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 50035968

約数和(自身を除く): 19876223

約数列:

[1, 5, 7, 11, 19, 31, 35, 49, 55, 77, 95, 133, 155, 209, 217, 245, 341, 361, 385, 539, 589, 665, 931, 1045, 1085, 1463, 1519, 1705, 1805, 2387, 2527, 2695, 2945, 3971, 4123, 4655, 6479, 7315, 7595, 10241, 11191, 11935, 12635, 16709, 17689, 19855, 20615, 27797, 28861, 32395, 45353, 51205, 55955, 78337, 83545, 88445, 123101, 138985, 144305, 194579, 226765, 317471, 391685, 548359, 615505, 861707, 972895, 1587355, 2741795, 4308535, 6031949, 30159745]

約数ペア:

[(1, 30159745), (5, 6031949), (7, 4308535), (11, 2741795), (19, 1587355), (31, 972895), (35, 861707), (49, 615505), (55, 548359), (77, 391685), (95, 317471), (133, 226765), (155, 194579), (209, 144305), (217, 138985), (245, 123101), (341, 88445), (361, 83545), (385, 78337), (539, 55955), (589, 51205), (665, 45353), (931, 32395), (1045, 28861), (1085, 27797), (1463, 20615), (1519, 19855), (1705, 17689), (1805, 16709), (2387, 12635), (2527, 11935), (2695, 11191), (2945, 10241), (3971, 7595), (4123, 7315), (4655, 6479)]