31791360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 107726976

約数和(自身を除く): 75935616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 487, 510, 544, 640, 680, 768, 816, 960, 974, 1020, 1088, 1280, 1360, 1461, 1632, 1920, 1948, 2040, 2176, 2435, 2720, 2922, 3264, 3840, 3896, 4080, 4352, 4870, 5440, 5844, 6528, 7305, 7792, 8160, 8279, 9740, 10880, 11688, 13056, 14610, 15584, 16320, 16558, 19480, 21760, 23376, 24837, 29220, 31168, 32640, 33116, 38960, 41395, 46752, 49674, 58440, 62336, 65280, 66232, 77920, 82790, 93504, 99348, 116880, 124185, 124672, 132464, 155840, 165580, 187008, 198696, 233760, 248370, 264928, 311680, 331160, 374016, 397392, 467520, 496740, 529856, 623360, 662320, 794784, 935040, 993480, 1059712, 1324640, 1589568, 1870080, 1986960, 2119424, 2649280, 3179136, 3973920, 5298560, 6358272, 7947840, 10597120, 15895680, 31791360]

約数ペア:

[(1, 31791360), (2, 15895680), (3, 10597120), (4, 7947840), (5, 6358272), (6, 5298560), (8, 3973920), (10, 3179136), (12, 2649280), (15, 2119424), (16, 1986960), (17, 1870080), (20, 1589568), (24, 1324640), (30, 1059712), (32, 993480), (34, 935040), (40, 794784), (48, 662320), (51, 623360), (60, 529856), (64, 496740), (68, 467520), (80, 397392), (85, 374016), (96, 331160), (102, 311680), (120, 264928), (128, 248370), (136, 233760), (160, 198696), (170, 187008), (192, 165580), (204, 155840), (240, 132464), (255, 124672), (256, 124185), (272, 116880), (320, 99348), (340, 93504), (384, 82790), (408, 77920), (480, 66232), (487, 65280), (510, 62336), (544, 58440), (640, 49674), (680, 46752), (768, 41395), (816, 38960), (960, 33116), (974, 32640), (1020, 31168), (1088, 29220), (1280, 24837), (1360, 23376), (1461, 21760), (1632, 19480), (1920, 16558), (1948, 16320), (2040, 15584), (2176, 14610), (2435, 13056), (2720, 11688), (2922, 10880), (3264, 9740), (3840, 8279), (3896, 8160), (4080, 7792), (4352, 7305), (4870, 6528), (5440, 5844)]