91121290.000000000

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 112

約数和(自身を含む): 313822080

約数和(自身を除く): 189720640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 116, 145, 160, 172, 215, 232, 290, 311, 320, 344, 430, 464, 580, 622, 688, 860, 928, 1160, 1244, 1247, 1376, 1555, 1720, 1856, 2320, 2488, 2494, 2752, 3110, 3440, 4640, 4976, 4988, 6220, 6235, 6880, 9019, 9280, 9952, 9976, 12440, 12470, 13373, 13760, 18038, 19904, 19952, 24880, 24940, 26746, 36076, 39904, 45095, 49760, 49880, 53492, 66865, 72152, 79808, 90190, 99520, 99760, 106984, 133730, 144304, 180380, 199520, 213968, 267460, 288608, 360760, 387817, 399040, 427936, 534920, 577216, 721520, 775634, 855872, 1069840, 1443040, 1551268, 1939085, 2139680, 2886080, 3102536, 3878170, 4279360, 6205072, 7756340, 12410144, 15512680, 24820288, 31025360, 62050720, 124101440]

約数ペア:

[(1, 124101440), (2, 62050720), (4, 31025360), (5, 24820288), (8, 15512680), (10, 12410144), (16, 7756340), (20, 6205072), (29, 4279360), (32, 3878170), (40, 3102536), (43, 2886080), (58, 2139680), (64, 1939085), (80, 1551268), (86, 1443040), (116, 1069840), (145, 855872), (160, 775634), (172, 721520), (215, 577216), (232, 534920), (290, 427936), (311, 399040), (320, 387817), (344, 360760), (430, 288608), (464, 267460), (580, 213968), (622, 199520), (688, 180380), (860, 144304), (928, 133730), (1160, 106984), (1244, 99760), (1247, 99520), (1376, 90190), (1555, 79808), (1720, 72152), (1856, 66865), (2320, 53492), (2488, 49880), (2494, 49760), (2752, 45095), (3110, 39904), (3440, 36076), (4640, 26746), (4976, 24940), (4988, 24880), (6220, 19952), (6235, 19904), (6880, 18038), (9019, 13760), (9280, 13373), (9952, 12470), (9976, 12440)]