81339120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37657}}^1$

素因数の和:37679

約数の個数: 80

約数和(自身を含む): 280175520

約数和(自身を除く): 198836400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37657, 75314, 112971, 150628, 188285, 225942, 301256, 338913, 376570, 451884, 564855, 602512, 677826, 753140, 903768, 1016739, 1129710, 1355652, 1506280, 1694565, 1807536, 2033478, 2259420, 2711304, 3012560, 3389130, 4066956, 4518840, 5083695, 5422608, 6778260, 8133912, 9037680, 10167390, 13556520, 16267824, 20334780, 27113040, 40669560, 81339120]

約数ペア:

[(1, 81339120), (2, 40669560), (3, 27113040), (4, 20334780), (5, 16267824), (6, 13556520), (8, 10167390), (9, 9037680), (10, 8133912), (12, 6778260), (15, 5422608), (16, 5083695), (18, 4518840), (20, 4066956), (24, 3389130), (27, 3012560), (30, 2711304), (36, 2259420), (40, 2033478), (45, 1807536), (48, 1694565), (54, 1506280), (60, 1355652), (72, 1129710), (80, 1016739), (90, 903768), (108, 753140), (120, 677826), (135, 602512), (144, 564855), (180, 451884), (216, 376570), (240, 338913), (270, 301256), (360, 225942), (432, 188285), (540, 150628), (720, 112971), (1080, 75314), (2160, 37657)]