30341720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10391}}^1$

素因数の和:10475

約数の個数: 32

約数和(自身を含む): 69210720

約数和(自身を除く): 38869000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 10391, 20782, 41564, 51955, 83128, 103910, 207820, 415640, 758543, 1517086, 3034172, 3792715, 6068344, 7585430, 15170860, 30341720]

約数ペア:

[(1, 30341720), (2, 15170860), (4, 7585430), (5, 6068344), (8, 3792715), (10, 3034172), (20, 1517086), (40, 758543), (73, 415640), (146, 207820), (292, 103910), (365, 83128), (584, 51955), (730, 41564), (1460, 20782), (2920, 10391)]