81956520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{907}}^1$

素因数の和:1175

約数の個数: 96

約数和(自身を含む): 267714720

約数和(自身を除く): 185758200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 251, 360, 502, 753, 907, 1004, 1255, 1506, 1814, 2008, 2259, 2510, 2721, 3012, 3628, 3765, 4518, 4535, 5020, 5442, 6024, 7256, 7530, 8163, 9036, 9070, 10040, 10884, 11295, 13605, 15060, 16326, 18072, 18140, 21768, 22590, 27210, 30120, 32652, 36280, 40815, 45180, 54420, 65304, 81630, 90360, 108840, 163260, 227657, 326520, 455314, 682971, 910628, 1138285, 1365942, 1821256, 2048913, 2276570, 2731884, 3414855, 4097826, 4553140, 5463768, 6829710, 8195652, 9106280, 10244565, 13659420, 16391304, 20489130, 27318840, 40978260, 81956520]

約数ペア:

[(1, 81956520), (2, 40978260), (3, 27318840), (4, 20489130), (5, 16391304), (6, 13659420), (8, 10244565), (9, 9106280), (10, 8195652), (12, 6829710), (15, 5463768), (18, 4553140), (20, 4097826), (24, 3414855), (30, 2731884), (36, 2276570), (40, 2048913), (45, 1821256), (60, 1365942), (72, 1138285), (90, 910628), (120, 682971), (180, 455314), (251, 326520), (360, 227657), (502, 163260), (753, 108840), (907, 90360), (1004, 81630), (1255, 65304), (1506, 54420), (1814, 45180), (2008, 40815), (2259, 36280), (2510, 32652), (2721, 30120), (3012, 27210), (3628, 22590), (3765, 21768), (4518, 18140), (4535, 18072), (5020, 16326), (5442, 15060), (6024, 13605), (7256, 11295), (7530, 10884), (8163, 10040), (9036, 9070)]