1291317120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{74729}}^1$

素因数の和:74757

約数の個数: 128

約数和(自身を含む): 4573476000

約数和(自身を除く): 3282158880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 74729, 149458, 224187, 298916, 373645, 448374, 597832, 672561, 747290, 896748, 1120935, 1195664, 1345122, 1494580, 1793496, 2017683, 2241870, 2391328, 2690244, 2989160, 3362805, 3586992, 4035366, 4483740, 4782656, 5380488, 5978320, 6725610, 7173984, 8070732, 8967480, 9565312, 10088415, 10760976, 11956640, 13451220, 14347968, 16141464, 17934960, 20176830, 21521952, 23913280, 26902440, 28695936, 32282928, 35869920, 40353660, 43043904, 47826560, 53804880, 64565856, 71739840, 80707320, 86087808, 107609760, 129131712, 143479680, 161414640, 215219520, 258263424, 322829280, 430439040, 645658560, 1291317120]

約数ペア:

[(1, 1291317120), (2, 645658560), (3, 430439040), (4, 322829280), (5, 258263424), (6, 215219520), (8, 161414640), (9, 143479680), (10, 129131712), (12, 107609760), (15, 86087808), (16, 80707320), (18, 71739840), (20, 64565856), (24, 53804880), (27, 47826560), (30, 43043904), (32, 40353660), (36, 35869920), (40, 32282928), (45, 28695936), (48, 26902440), (54, 23913280), (60, 21521952), (64, 20176830), (72, 17934960), (80, 16141464), (90, 14347968), (96, 13451220), (108, 11956640), (120, 10760976), (128, 10088415), (135, 9565312), (144, 8967480), (160, 8070732), (180, 7173984), (192, 6725610), (216, 5978320), (240, 5380488), (270, 4782656), (288, 4483740), (320, 4035366), (360, 3586992), (384, 3362805), (432, 2989160), (480, 2690244), (540, 2391328), (576, 2241870), (640, 2017683), (720, 1793496), (864, 1494580), (960, 1345122), (1080, 1195664), (1152, 1120935), (1440, 896748), (1728, 747290), (1920, 672561), (2160, 597832), (2880, 448374), (3456, 373645), (4320, 298916), (5760, 224187), (8640, 149458), (17280, 74729)]