81575280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{827}}^1$

素因数の和:983

約数の個数: 120

約数和(自身を含む): 276290352

約数和(自身を除く): 194715072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 137, 144, 180, 240, 274, 360, 411, 548, 685, 720, 822, 827, 1096, 1233, 1370, 1644, 1654, 2055, 2192, 2466, 2481, 2740, 3288, 3308, 4110, 4135, 4932, 4962, 5480, 6165, 6576, 6616, 7443, 8220, 8270, 9864, 9924, 10960, 12330, 12405, 13232, 14886, 16440, 16540, 19728, 19848, 24660, 24810, 29772, 32880, 33080, 37215, 39696, 49320, 49620, 59544, 66160, 74430, 98640, 99240, 113299, 119088, 148860, 198480, 226598, 297720, 339897, 453196, 566495, 595440, 679794, 906392, 1019691, 1132990, 1359588, 1699485, 1812784, 2039382, 2265980, 2719176, 3398970, 4078764, 4531960, 5098455, 5438352, 6797940, 8157528, 9063920, 10196910, 13595880, 16315056, 20393820, 27191760, 40787640, 81575280]

約数ペア:

[(1, 81575280), (2, 40787640), (3, 27191760), (4, 20393820), (5, 16315056), (6, 13595880), (8, 10196910), (9, 9063920), (10, 8157528), (12, 6797940), (15, 5438352), (16, 5098455), (18, 4531960), (20, 4078764), (24, 3398970), (30, 2719176), (36, 2265980), (40, 2039382), (45, 1812784), (48, 1699485), (60, 1359588), (72, 1132990), (80, 1019691), (90, 906392), (120, 679794), (137, 595440), (144, 566495), (180, 453196), (240, 339897), (274, 297720), (360, 226598), (411, 198480), (548, 148860), (685, 119088), (720, 113299), (822, 99240), (827, 98640), (1096, 74430), (1233, 66160), (1370, 59544), (1644, 49620), (1654, 49320), (2055, 39696), (2192, 37215), (2466, 33080), (2481, 32880), (2740, 29772), (3288, 24810), (3308, 24660), (4110, 19848), (4135, 19728), (4932, 16540), (4962, 16440), (5480, 14886), (6165, 13232), (6576, 12405), (6616, 12330), (7443, 10960), (8220, 9924), (8270, 9864)]