8481720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5437}}^1$

素因数の和:5464

約数の個数: 64

約数和(自身を含む): 27407520

約数和(自身を除く): 18925800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 5437, 10874, 16311, 21748, 27185, 32622, 43496, 54370, 65244, 70681, 81555, 108740, 130488, 141362, 163110, 212043, 217480, 282724, 326220, 353405, 424086, 565448, 652440, 706810, 848172, 1060215, 1413620, 1696344, 2120430, 2827240, 4240860, 8481720]

約数ペア:

[(1, 8481720), (2, 4240860), (3, 2827240), (4, 2120430), (5, 1696344), (6, 1413620), (8, 1060215), (10, 848172), (12, 706810), (13, 652440), (15, 565448), (20, 424086), (24, 353405), (26, 326220), (30, 282724), (39, 217480), (40, 212043), (52, 163110), (60, 141362), (65, 130488), (78, 108740), (104, 81555), (120, 70681), (130, 65244), (156, 54370), (195, 43496), (260, 32622), (312, 27185), (390, 21748), (520, 16311), (780, 10874), (1560, 5437)]