1855854720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:748

約数の個数: 256

約数和(自身を含む): 6616944000

約数和(自身を除く): 4761089280

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, 211, 216, 240, 270, 288, 320, 360, 384, 422, 432, 480, 509, 540, 576, 633, 640, 720, 844, 864, 960, 1018, 1055, 1080, 1152, 1266, 1440, 1527, 1688, 1728, 1899, 1920, 2036, 2110, 2160, 2532, 2545, 2880, 3054, 3165, 3376, 3456, 3798, 4072, 4220, 4320, 4581, 5064, 5090, 5697, 5760, 6108, 6330, 6752, 7596, 7635, 8144, 8440, 8640, 9162, 9495, 10128, 10180, 11394, 12216, 12660, 13504, 13743, 15192, 15270, 16288, 16880, 17280, 18324, 18990, 20256, 20360, 22788, 22905, 24432, 25320, 27008, 27486, 28485, 30384, 30540, 32576, 33760, 36648, 37980, 40512, 40720, 45576, 45810, 48864, 50640, 54972, 56970, 60768, 61080, 65152, 67520, 68715, 73296, 75960, 81024, 81440, 91152, 91620, 97728, 101280, 107399, 109944, 113940, 121536, 122160, 135040, 137430, 146592, 151920, 162880, 182304, 183240, 195456, 202560, 214798, 219888, 227880, 243072, 244320, 274860, 293184, 303840, 322197, 325760, 364608, 366480, 405120, 429596, 439776, 455760, 488640, 536995, 549720, 586368, 607680, 644394, 729216, 732960, 859192, 879552, 911520, 966591, 977280, 1073990, 1099440, 1215360, 1288788, 1465920, 1610985, 1718384, 1759104, 1823040, 1933182, 2147980, 2198880, 2577576, 2899773, 2931840, 3221970, 3436768, 3646080, 3866364, 4295960, 4397760, 4832955, 5155152, 5799546, 6443940, 6873536, 7732728, 8591920, 8795520, 9665910, 10310304, 11599092, 12887880, 13747072, 14498865, 15465456, 17183840, 19331820, 20620608, 23198184, 25775760, 28997730, 30930912, 34367680, 38663640, 41241216, 46396368, 51551520, 57995460, 61861824, 68735360, 77327280, 92792736, 103103040, 115990920, 123723648, 154654560, 185585472, 206206080, 231981840, 309309120, 371170944, 463963680, 618618240, 927927360, 1855854720]

約数ペア:

[(1, 1855854720), (2, 927927360), (3, 618618240), (4, 463963680), (5, 371170944), (6, 309309120), (8, 231981840), (9, 206206080), (10, 185585472), (12, 154654560), (15, 123723648), (16, 115990920), (18, 103103040), (20, 92792736), (24, 77327280), (27, 68735360), (30, 61861824), (32, 57995460), (36, 51551520), (40, 46396368), (45, 41241216), (48, 38663640), (54, 34367680), (60, 30930912), (64, 28997730), (72, 25775760), (80, 23198184), (90, 20620608), (96, 19331820), (108, 17183840), (120, 15465456), (128, 14498865), (135, 13747072), (144, 12887880), (160, 11599092), (180, 10310304), (192, 9665910), (211, 8795520), (216, 8591920), (240, 7732728), (270, 6873536), (288, 6443940), (320, 5799546), (360, 5155152), (384, 4832955), (422, 4397760), (432, 4295960), (480, 3866364), (509, 3646080), (540, 3436768), (576, 3221970), (633, 2931840), (640, 2899773), (720, 2577576), (844, 2198880), (864, 2147980), (960, 1933182), (1018, 1823040), (1055, 1759104), (1080, 1718384), (1152, 1610985), (1266, 1465920), (1440, 1288788), (1527, 1215360), (1688, 1099440), (1728, 1073990), (1899, 977280), (1920, 966591), (2036, 911520), (2110, 879552), (2160, 859192), (2532, 732960), (2545, 729216), (2880, 644394), (3054, 607680), (3165, 586368), (3376, 549720), (3456, 536995), (3798, 488640), (4072, 455760), (4220, 439776), (4320, 429596), (4581, 405120), (5064, 366480), (5090, 364608), (5697, 325760), (5760, 322197), (6108, 303840), (6330, 293184), (6752, 274860), (7596, 244320), (7635, 243072), (8144, 227880), (8440, 219888), (8640, 214798), (9162, 202560), (9495, 195456), (10128, 183240), (10180, 182304), (11394, 162880), (12216, 151920), (12660, 146592), (13504, 137430), (13743, 135040), (15192, 122160), (15270, 121536), (16288, 113940), (16880, 109944), (17280, 107399), (18324, 101280), (18990, 97728), (20256, 91620), (20360, 91152), (22788, 81440), (22905, 81024), (24432, 75960), (25320, 73296), (27008, 68715), (27486, 67520), (28485, 65152), (30384, 61080), (30540, 60768), (32576, 56970), (33760, 54972), (36648, 50640), (37980, 48864), (40512, 45810), (40720, 45576)]