720588735

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{16981}}^1$

素因数の和:17056

約数の個数: 48

約数和(自身を含む): 1335192768

約数和(自身を除く): 614604033

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 345, 369, 615, 943, 1035, 1845, 2829, 4715, 8487, 14145, 16981, 42435, 50943, 84905, 152829, 254715, 390563, 696221, 764145, 1171689, 1952815, 2088663, 3481105, 3515067, 5858445, 6265989, 10443315, 16013083, 17575335, 31329945, 48039249, 80065415, 144117747, 240196245, 720588735]

約数ペア:

[(1, 720588735), (3, 240196245), (5, 144117747), (9, 80065415), (15, 48039249), (23, 31329945), (41, 17575335), (45, 16013083), (69, 10443315), (115, 6265989), (123, 5858445), (205, 3515067), (207, 3481105), (345, 2088663), (369, 1952815), (615, 1171689), (943, 764145), (1035, 696221), (1845, 390563), (2829, 254715), (4715, 152829), (8487, 84905), (14145, 50943), (16981, 42435)]