30540280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10459}}^1$

素因数の和:10543

約数の個数: 32

約数和(自身を含む): 69663600

約数和(自身を除く): 39123320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 10459, 20918, 41836, 52295, 83672, 104590, 209180, 418360, 763507, 1527014, 3054028, 3817535, 6108056, 7635070, 15270140, 30540280]

約数ペア:

[(1, 30540280), (2, 15270140), (4, 7635070), (5, 6108056), (8, 3817535), (10, 3054028), (20, 1527014), (40, 763507), (73, 418360), (146, 209180), (292, 104590), (365, 83672), (584, 52295), (730, 41836), (1460, 20918), (2920, 10459)]