1271558880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12437}}^1$

素因数の和:12529

約数の個数: 144

約数和(自身を含む): 4400663904

約数和(自身を除く): 3129105024

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, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1440, 1704, 2130, 2272, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 6816, 8520, 10224, 11360, 12437, 12780, 17040, 20448, 24874, 25560, 34080, 37311, 49748, 51120, 62185, 74622, 99496, 102240, 111933, 124370, 149244, 186555, 198992, 223866, 248740, 298488, 373110, 397984, 447732, 497480, 559665, 596976, 746220, 883027, 895464, 994960, 1119330, 1193952, 1492440, 1766054, 1790928, 1989920, 2238660, 2649081, 2984880, 3532108, 3581856, 4415135, 4477320, 5298162, 5969760, 7064216, 7947243, 8830270, 8954640, 10596324, 13245405, 14128432, 15894486, 17660540, 17909280, 21192648, 26490810, 28256864, 31788972, 35321080, 39736215, 42385296, 52981620, 63577944, 70642160, 79472430, 84770592, 105963240, 127155888, 141284320, 158944860, 211926480, 254311776, 317889720, 423852960, 635779440, 1271558880]

約数ペア:

[(1, 1271558880), (2, 635779440), (3, 423852960), (4, 317889720), (5, 254311776), (6, 211926480), (8, 158944860), (9, 141284320), (10, 127155888), (12, 105963240), (15, 84770592), (16, 79472430), (18, 70642160), (20, 63577944), (24, 52981620), (30, 42385296), (32, 39736215), (36, 35321080), (40, 31788972), (45, 28256864), (48, 26490810), (60, 21192648), (71, 17909280), (72, 17660540), (80, 15894486), (90, 14128432), (96, 13245405), (120, 10596324), (142, 8954640), (144, 8830270), (160, 7947243), (180, 7064216), (213, 5969760), (240, 5298162), (284, 4477320), (288, 4415135), (355, 3581856), (360, 3532108), (426, 2984880), (480, 2649081), (568, 2238660), (639, 1989920), (710, 1790928), (720, 1766054), (852, 1492440), (1065, 1193952), (1136, 1119330), (1278, 994960), (1420, 895464), (1440, 883027), (1704, 746220), (2130, 596976), (2272, 559665), (2556, 497480), (2840, 447732), (3195, 397984), (3408, 373110), (4260, 298488), (5112, 248740), (5680, 223866), (6390, 198992), (6816, 186555), (8520, 149244), (10224, 124370), (11360, 111933), (12437, 102240), (12780, 99496), (17040, 74622), (20448, 62185), (24874, 51120), (25560, 49748), (34080, 37311)]