399775680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1243

約数の個数: 168

約数和(自身を含む): 1387156992

約数和(自身を除く): 987381312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 127, 144, 160, 180, 192, 240, 254, 288, 320, 360, 381, 480, 508, 576, 635, 720, 762, 960, 1016, 1093, 1143, 1270, 1440, 1524, 1905, 2032, 2186, 2286, 2540, 2880, 3048, 3279, 3810, 4064, 4372, 4572, 5080, 5465, 5715, 6096, 6558, 7620, 8128, 8744, 9144, 9837, 10160, 10930, 11430, 12192, 13116, 15240, 16395, 17488, 18288, 19674, 20320, 21860, 22860, 24384, 26232, 30480, 32790, 34976, 36576, 39348, 40640, 43720, 45720, 49185, 52464, 60960, 65580, 69952, 73152, 78696, 87440, 91440, 98370, 104928, 121920, 131160, 138811, 157392, 174880, 182880, 196740, 209856, 262320, 277622, 314784, 349760, 365760, 393480, 416433, 524640, 555244, 629568, 694055, 786960, 832866, 1049280, 1110488, 1249299, 1388110, 1573920, 1665732, 2082165, 2220976, 2498598, 2776220, 3147840, 3331464, 4164330, 4441952, 4997196, 5552440, 6246495, 6662928, 8328660, 8883904, 9994392, 11104880, 12492990, 13325856, 16657320, 19988784, 22209760, 24985980, 26651712, 33314640, 39977568, 44419520, 49971960, 66629280, 79955136, 99943920, 133258560, 199887840, 399775680]

約数ペア:

[(1, 399775680), (2, 199887840), (3, 133258560), (4, 99943920), (5, 79955136), (6, 66629280), (8, 49971960), (9, 44419520), (10, 39977568), (12, 33314640), (15, 26651712), (16, 24985980), (18, 22209760), (20, 19988784), (24, 16657320), (30, 13325856), (32, 12492990), (36, 11104880), (40, 9994392), (45, 8883904), (48, 8328660), (60, 6662928), (64, 6246495), (72, 5552440), (80, 4997196), (90, 4441952), (96, 4164330), (120, 3331464), (127, 3147840), (144, 2776220), (160, 2498598), (180, 2220976), (192, 2082165), (240, 1665732), (254, 1573920), (288, 1388110), (320, 1249299), (360, 1110488), (381, 1049280), (480, 832866), (508, 786960), (576, 694055), (635, 629568), (720, 555244), (762, 524640), (960, 416433), (1016, 393480), (1093, 365760), (1143, 349760), (1270, 314784), (1440, 277622), (1524, 262320), (1905, 209856), (2032, 196740), (2186, 182880), (2286, 174880), (2540, 157392), (2880, 138811), (3048, 131160), (3279, 121920), (3810, 104928), (4064, 98370), (4372, 91440), (4572, 87440), (5080, 78696), (5465, 73152), (5715, 69952), (6096, 65580), (6558, 60960), (7620, 52464), (8128, 49185), (8744, 45720), (9144, 43720), (9837, 40640), (10160, 39348), (10930, 36576), (11430, 34976), (12192, 32790), (13116, 30480), (15240, 26232), (16395, 24384), (17488, 22860), (18288, 21860), (19674, 20320)]