1640926080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{94961}}^1$

素因数の和:94989

約数の個数: 128

約数和(自身を含む): 5811674400

約数和(自身を除く): 4170748320

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, 94961, 189922, 284883, 379844, 474805, 569766, 759688, 854649, 949610, 1139532, 1424415, 1519376, 1709298, 1899220, 2279064, 2563947, 2848830, 3038752, 3418596, 3798440, 4273245, 4558128, 5127894, 5697660, 6077504, 6837192, 7596880, 8546490, 9116256, 10255788, 11395320, 12155008, 12819735, 13674384, 15193760, 17092980, 18232512, 20511576, 22790640, 25639470, 27348768, 30387520, 34185960, 36465024, 41023152, 45581280, 51278940, 54697536, 60775040, 68371920, 82046304, 91162560, 102557880, 109395072, 136743840, 164092608, 182325120, 205115760, 273487680, 328185216, 410231520, 546975360, 820463040, 1640926080]

約数ペア:

[(1, 1640926080), (2, 820463040), (3, 546975360), (4, 410231520), (5, 328185216), (6, 273487680), (8, 205115760), (9, 182325120), (10, 164092608), (12, 136743840), (15, 109395072), (16, 102557880), (18, 91162560), (20, 82046304), (24, 68371920), (27, 60775040), (30, 54697536), (32, 51278940), (36, 45581280), (40, 41023152), (45, 36465024), (48, 34185960), (54, 30387520), (60, 27348768), (64, 25639470), (72, 22790640), (80, 20511576), (90, 18232512), (96, 17092980), (108, 15193760), (120, 13674384), (128, 12819735), (135, 12155008), (144, 11395320), (160, 10255788), (180, 9116256), (192, 8546490), (216, 7596880), (240, 6837192), (270, 6077504), (288, 5697660), (320, 5127894), (360, 4558128), (384, 4273245), (432, 3798440), (480, 3418596), (540, 3038752), (576, 2848830), (640, 2563947), (720, 2279064), (864, 1899220), (960, 1709298), (1080, 1519376), (1152, 1424415), (1440, 1139532), (1728, 949610), (1920, 854649), (2160, 759688), (2880, 569766), (3456, 474805), (4320, 379844), (5760, 284883), (8640, 189922), (17280, 94961)]