221480640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1527

約数の個数: 168

約数和(自身を含む): 776709648

約数和(自身を除く): 555229008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 192, 212, 240, 265, 288, 318, 320, 360, 424, 477, 480, 530, 576, 636, 720, 795, 848, 954, 960, 1060, 1272, 1440, 1451, 1590, 1696, 1908, 2120, 2385, 2544, 2880, 2902, 3180, 3392, 3816, 4240, 4353, 4770, 5088, 5804, 6360, 7255, 7632, 8480, 8706, 9540, 10176, 11608, 12720, 13059, 14510, 15264, 16960, 17412, 19080, 21765, 23216, 25440, 26118, 29020, 30528, 34824, 38160, 43530, 46432, 50880, 52236, 58040, 65295, 69648, 76320, 76903, 87060, 92864, 104472, 116080, 130590, 139296, 152640, 153806, 174120, 208944, 230709, 232160, 261180, 278592, 307612, 348240, 384515, 417888, 461418, 464320, 522360, 615224, 692127, 696480, 769030, 835776, 922836, 1044720, 1153545, 1230448, 1384254, 1392960, 1538060, 1845672, 2089440, 2307090, 2460896, 2768508, 3076120, 3460635, 3691344, 4178880, 4614180, 4921792, 5537016, 6152240, 6921270, 7382688, 9228360, 11074032, 12304480, 13842540, 14765376, 18456720, 22148064, 24608960, 27685080, 36913440, 44296128, 55370160, 73826880, 110740320, 221480640]

約数ペア:

[(1, 221480640), (2, 110740320), (3, 73826880), (4, 55370160), (5, 44296128), (6, 36913440), (8, 27685080), (9, 24608960), (10, 22148064), (12, 18456720), (15, 14765376), (16, 13842540), (18, 12304480), (20, 11074032), (24, 9228360), (30, 7382688), (32, 6921270), (36, 6152240), (40, 5537016), (45, 4921792), (48, 4614180), (53, 4178880), (60, 3691344), (64, 3460635), (72, 3076120), (80, 2768508), (90, 2460896), (96, 2307090), (106, 2089440), (120, 1845672), (144, 1538060), (159, 1392960), (160, 1384254), (180, 1230448), (192, 1153545), (212, 1044720), (240, 922836), (265, 835776), (288, 769030), (318, 696480), (320, 692127), (360, 615224), (424, 522360), (477, 464320), (480, 461418), (530, 417888), (576, 384515), (636, 348240), (720, 307612), (795, 278592), (848, 261180), (954, 232160), (960, 230709), (1060, 208944), (1272, 174120), (1440, 153806), (1451, 152640), (1590, 139296), (1696, 130590), (1908, 116080), (2120, 104472), (2385, 92864), (2544, 87060), (2880, 76903), (2902, 76320), (3180, 69648), (3392, 65295), (3816, 58040), (4240, 52236), (4353, 50880), (4770, 46432), (5088, 43530), (5804, 38160), (6360, 34824), (7255, 30528), (7632, 29020), (8480, 26118), (8706, 25440), (9540, 23216), (10176, 21765), (11608, 19080), (12720, 17412), (13059, 16960), (14510, 15264)]