257783040

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{7459}}^1$

素因数の和:7489

約数の個数: 144

約数和(自身を含む): 914894400

約数和(自身を除く): 657111360

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, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 7459, 8640, 11520, 14918, 17280, 22377, 29836, 34560, 37295, 44754, 59672, 67131, 74590, 89508, 111885, 119344, 134262, 149180, 179016, 201393, 223770, 238688, 268524, 298360, 335655, 358032, 402786, 447540, 477376, 537048, 596720, 671310, 716064, 805572, 895080, 954752, 1006965, 1074096, 1193440, 1342620, 1432128, 1611144, 1790160, 1909504, 2013930, 2148192, 2386880, 2685240, 2864256, 3222288, 3580320, 4027860, 4296384, 4773760, 5370480, 5728512, 6444576, 7160640, 8055720, 8592768, 9547520, 10740960, 12889152, 14321280, 16111440, 17185536, 21481920, 25778304, 28642560, 32222880, 42963840, 51556608, 64445760, 85927680, 128891520, 257783040]

約数ペア:

[(1, 257783040), (2, 128891520), (3, 85927680), (4, 64445760), (5, 51556608), (6, 42963840), (8, 32222880), (9, 28642560), (10, 25778304), (12, 21481920), (15, 17185536), (16, 16111440), (18, 14321280), (20, 12889152), (24, 10740960), (27, 9547520), (30, 8592768), (32, 8055720), (36, 7160640), (40, 6444576), (45, 5728512), (48, 5370480), (54, 4773760), (60, 4296384), (64, 4027860), (72, 3580320), (80, 3222288), (90, 2864256), (96, 2685240), (108, 2386880), (120, 2148192), (128, 2013930), (135, 1909504), (144, 1790160), (160, 1611144), (180, 1432128), (192, 1342620), (216, 1193440), (240, 1074096), (256, 1006965), (270, 954752), (288, 895080), (320, 805572), (360, 716064), (384, 671310), (432, 596720), (480, 537048), (540, 477376), (576, 447540), (640, 402786), (720, 358032), (768, 335655), (864, 298360), (960, 268524), (1080, 238688), (1152, 223770), (1280, 201393), (1440, 179016), (1728, 149180), (1920, 134262), (2160, 119344), (2304, 111885), (2880, 89508), (3456, 74590), (3840, 67131), (4320, 59672), (5760, 44754), (6912, 37295), (7459, 34560), (8640, 29836), (11520, 22377), (14918, 17280)]