1285806720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2703

約数の個数: 256

約数和(自身を含む): 4667258880

約数和(自身を除く): 3381452160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 64, 66, 69, 80, 88, 92, 96, 110, 115, 120, 128, 132, 138, 160, 165, 176, 184, 192, 220, 230, 240, 253, 264, 276, 320, 330, 345, 352, 368, 384, 440, 460, 480, 506, 528, 552, 640, 660, 690, 704, 736, 759, 880, 920, 960, 1012, 1056, 1104, 1265, 1320, 1380, 1408, 1472, 1518, 1760, 1840, 1920, 2024, 2112, 2208, 2530, 2640, 2647, 2760, 2944, 3036, 3520, 3680, 3795, 4048, 4224, 4416, 5060, 5280, 5294, 5520, 6072, 7040, 7360, 7590, 7941, 8096, 8832, 10120, 10560, 10588, 11040, 12144, 13235, 14720, 15180, 15882, 16192, 20240, 21120, 21176, 22080, 24288, 26470, 29117, 30360, 31764, 32384, 39705, 40480, 42352, 44160, 48576, 52940, 58234, 60720, 60881, 63528, 79410, 80960, 84704, 87351, 97152, 105880, 116468, 121440, 121762, 127056, 145585, 158820, 161920, 169408, 174702, 182643, 211760, 232936, 242880, 243524, 254112, 291170, 304405, 317640, 338816, 349404, 365286, 423520, 436755, 465872, 485760, 487048, 508224, 582340, 608810, 635280, 669691, 698808, 730572, 847040, 873510, 913215, 931744, 974096, 1016448, 1164680, 1217620, 1270560, 1339382, 1397616, 1461144, 1694080, 1747020, 1826430, 1863488, 1948192, 2009073, 2329360, 2435240, 2541120, 2678764, 2795232, 2922288, 3348455, 3494040, 3652860, 3726976, 3896384, 4018146, 4658720, 4870480, 5082240, 5357528, 5590464, 5844576, 6696910, 6988080, 7305720, 7792768, 8036292, 9317440, 9740960, 10045365, 10715056, 11180928, 11689152, 13393820, 13976160, 14611440, 16072584, 18634880, 19481920, 20090730, 21430112, 23378304, 26787640, 27952320, 29222880, 32145168, 38963840, 40181460, 42860224, 53575280, 55904640, 58445760, 64290336, 80362920, 85720448, 107150560, 116891520, 128580672, 160725840, 214301120, 257161344, 321451680, 428602240, 642903360, 1285806720]

約数ペア:

[(1, 1285806720), (2, 642903360), (3, 428602240), (4, 321451680), (5, 257161344), (6, 214301120), (8, 160725840), (10, 128580672), (11, 116891520), (12, 107150560), (15, 85720448), (16, 80362920), (20, 64290336), (22, 58445760), (23, 55904640), (24, 53575280), (30, 42860224), (32, 40181460), (33, 38963840), (40, 32145168), (44, 29222880), (46, 27952320), (48, 26787640), (55, 23378304), (60, 21430112), (64, 20090730), (66, 19481920), (69, 18634880), (80, 16072584), (88, 14611440), (92, 13976160), (96, 13393820), (110, 11689152), (115, 11180928), (120, 10715056), (128, 10045365), (132, 9740960), (138, 9317440), (160, 8036292), (165, 7792768), (176, 7305720), (184, 6988080), (192, 6696910), (220, 5844576), (230, 5590464), (240, 5357528), (253, 5082240), (264, 4870480), (276, 4658720), (320, 4018146), (330, 3896384), (345, 3726976), (352, 3652860), (368, 3494040), (384, 3348455), (440, 2922288), (460, 2795232), (480, 2678764), (506, 2541120), (528, 2435240), (552, 2329360), (640, 2009073), (660, 1948192), (690, 1863488), (704, 1826430), (736, 1747020), (759, 1694080), (880, 1461144), (920, 1397616), (960, 1339382), (1012, 1270560), (1056, 1217620), (1104, 1164680), (1265, 1016448), (1320, 974096), (1380, 931744), (1408, 913215), (1472, 873510), (1518, 847040), (1760, 730572), (1840, 698808), (1920, 669691), (2024, 635280), (2112, 608810), (2208, 582340), (2530, 508224), (2640, 487048), (2647, 485760), (2760, 465872), (2944, 436755), (3036, 423520), (3520, 365286), (3680, 349404), (3795, 338816), (4048, 317640), (4224, 304405), (4416, 291170), (5060, 254112), (5280, 243524), (5294, 242880), (5520, 232936), (6072, 211760), (7040, 182643), (7360, 174702), (7590, 169408), (7941, 161920), (8096, 158820), (8832, 145585), (10120, 127056), (10560, 121762), (10588, 121440), (11040, 116468), (12144, 105880), (13235, 97152), (14720, 87351), (15180, 84704), (15882, 80960), (16192, 79410), (20240, 63528), (21120, 60881), (21176, 60720), (22080, 58234), (24288, 52940), (26470, 48576), (29117, 44160), (30360, 42352), (31764, 40480), (32384, 39705)]