81145128

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 211147200

約数和(自身を除く): 130002072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 61, 86, 122, 129, 172, 183, 244, 258, 344, 366, 488, 516, 732, 1032, 1289, 1464, 2578, 2623, 3867, 5156, 5246, 7734, 7869, 10312, 10492, 15468, 15738, 20984, 30936, 31476, 55427, 62952, 78629, 110854, 157258, 166281, 221708, 235887, 314516, 332562, 443416, 471774, 629032, 665124, 943548, 1330248, 1887096, 3381047, 6762094, 10143141, 13524188, 20286282, 27048376, 40572564, 81145128]

約数ペア:

[(1, 81145128), (2, 40572564), (3, 27048376), (4, 20286282), (6, 13524188), (8, 10143141), (12, 6762094), (24, 3381047), (43, 1887096), (61, 1330248), (86, 943548), (122, 665124), (129, 629032), (172, 471774), (183, 443416), (244, 332562), (258, 314516), (344, 235887), (366, 221708), (488, 166281), (516, 157258), (732, 110854), (1032, 78629), (1289, 62952), (1464, 55427), (2578, 31476), (2623, 30936), (3867, 20984), (5156, 15738), (5246, 15468), (7734, 10492), (7869, 10312)]