15720346505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1\times {\mathrm{2557}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 20156221440

約数和(自身を除く): 4435874935

約数列:

[1, 5, 17, 85, 151, 479, 755, 2395, 2557, 2567, 8143, 12785, 12835, 40715, 43469, 72329, 217345, 361645, 386107, 1224803, 1229593, 1930535, 6124015, 6147965, 6563819, 20821651, 32819095, 104108255, 184945253, 924726265, 3144069301, 15720346505]

約数ペア:

[(1, 15720346505), (5, 3144069301), (17, 924726265), (85, 184945253), (151, 104108255), (479, 32819095), (755, 20821651), (2395, 6563819), (2557, 6147965), (2567, 6124015), (8143, 1930535), (12785, 1229593), (12835, 1224803), (40715, 386107), (43469, 361645), (72329, 217345)]