81916416

素因数分解:

$2^9\times 3^2\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:666

約数の個数: 120

約数和(自身を含む): 244967580

約数和(自身を除く): 163051164

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 174, 192, 232, 256, 261, 288, 348, 384, 464, 512, 522, 576, 613, 696, 768, 928, 1044, 1152, 1226, 1392, 1536, 1839, 1856, 2088, 2304, 2452, 2784, 3678, 3712, 4176, 4608, 4904, 5517, 5568, 7356, 7424, 8352, 9808, 11034, 11136, 14712, 14848, 16704, 17777, 19616, 22068, 22272, 29424, 33408, 35554, 39232, 44136, 44544, 53331, 58848, 66816, 71108, 78464, 88272, 106662, 117696, 133632, 142216, 156928, 159993, 176544, 213324, 235392, 284432, 313856, 319986, 353088, 426648, 470784, 568864, 639972, 706176, 853296, 941568, 1137728, 1279944, 1412352, 1706592, 2275456, 2559888, 2824704, 3413184, 4550912, 5119776, 6826368, 9101824, 10239552, 13652736, 20479104, 27305472, 40958208, 81916416]

約数ペア:

[(1, 81916416), (2, 40958208), (3, 27305472), (4, 20479104), (6, 13652736), (8, 10239552), (9, 9101824), (12, 6826368), (16, 5119776), (18, 4550912), (24, 3413184), (29, 2824704), (32, 2559888), (36, 2275456), (48, 1706592), (58, 1412352), (64, 1279944), (72, 1137728), (87, 941568), (96, 853296), (116, 706176), (128, 639972), (144, 568864), (174, 470784), (192, 426648), (232, 353088), (256, 319986), (261, 313856), (288, 284432), (348, 235392), (384, 213324), (464, 176544), (512, 159993), (522, 156928), (576, 142216), (613, 133632), (696, 117696), (768, 106662), (928, 88272), (1044, 78464), (1152, 71108), (1226, 66816), (1392, 58848), (1536, 53331), (1839, 44544), (1856, 44136), (2088, 39232), (2304, 35554), (2452, 33408), (2784, 29424), (3678, 22272), (3712, 22068), (4176, 19616), (4608, 17777), (4904, 16704), (5517, 14848), (5568, 14712), (7356, 11136), (7424, 11034), (8352, 9808)]