1640200320

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8629}}^1$

素因数の和:8668

約数の個数: 256

約数和(自身を含む): 6337872000

約数和(自身を除く): 4697671680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 128, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 384, 396, 432, 440, 480, 495, 528, 540, 576, 594, 640, 660, 704, 720, 792, 864, 880, 960, 990, 1056, 1080, 1152, 1188, 1320, 1408, 1440, 1485, 1584, 1728, 1760, 1920, 1980, 2112, 2160, 2376, 2640, 2880, 2970, 3168, 3456, 3520, 3960, 4224, 4320, 4752, 5280, 5760, 5940, 6336, 7040, 7920, 8629, 8640, 9504, 10560, 11880, 12672, 15840, 17258, 17280, 19008, 21120, 23760, 25887, 31680, 34516, 38016, 43145, 47520, 51774, 63360, 69032, 77661, 86290, 94919, 95040, 103548, 129435, 138064, 155322, 172580, 189838, 190080, 207096, 232983, 258870, 276128, 284757, 310644, 345160, 379676, 388305, 414192, 465966, 474595, 517740, 552256, 569514, 621288, 690320, 759352, 776610, 828384, 854271, 931932, 949190, 1035480, 1104512, 1139028, 1164915, 1242576, 1380640, 1423785, 1518704, 1553220, 1656768, 1708542, 1863864, 1898380, 2070960, 2278056, 2329830, 2485152, 2562813, 2761280, 2847570, 3037408, 3106440, 3313536, 3417084, 3727728, 3796760, 4141920, 4271355, 4556112, 4659660, 4970304, 5125626, 5522560, 5695140, 6074816, 6212880, 6834168, 7455456, 7593520, 8283840, 8542710, 9112224, 9319320, 9940608, 10251252, 11390280, 12149632, 12425760, 12814065, 13668336, 14910912, 15187040, 16567680, 17085420, 18224448, 18638640, 20502504, 22780560, 24851520, 25628130, 27336672, 29821824, 30374080, 34170840, 36448896, 37277280, 41005008, 45561120, 49703040, 51256260, 54673344, 60748160, 68341680, 74554560, 82010016, 91122240, 102512520, 109346688, 136683360, 149109120, 164020032, 182244480, 205025040, 273366720, 328040064, 410050080, 546733440, 820100160, 1640200320]

約数ペア:

[(1, 1640200320), (2, 820100160), (3, 546733440), (4, 410050080), (5, 328040064), (6, 273366720), (8, 205025040), (9, 182244480), (10, 164020032), (11, 149109120), (12, 136683360), (15, 109346688), (16, 102512520), (18, 91122240), (20, 82010016), (22, 74554560), (24, 68341680), (27, 60748160), (30, 54673344), (32, 51256260), (33, 49703040), (36, 45561120), (40, 41005008), (44, 37277280), (45, 36448896), (48, 34170840), (54, 30374080), (55, 29821824), (60, 27336672), (64, 25628130), (66, 24851520), (72, 22780560), (80, 20502504), (88, 18638640), (90, 18224448), (96, 17085420), (99, 16567680), (108, 15187040), (110, 14910912), (120, 13668336), (128, 12814065), (132, 12425760), (135, 12149632), (144, 11390280), (160, 10251252), (165, 9940608), (176, 9319320), (180, 9112224), (192, 8542710), (198, 8283840), (216, 7593520), (220, 7455456), (240, 6834168), (264, 6212880), (270, 6074816), (288, 5695140), (297, 5522560), (320, 5125626), (330, 4970304), (352, 4659660), (360, 4556112), (384, 4271355), (396, 4141920), (432, 3796760), (440, 3727728), (480, 3417084), (495, 3313536), (528, 3106440), (540, 3037408), (576, 2847570), (594, 2761280), (640, 2562813), (660, 2485152), (704, 2329830), (720, 2278056), (792, 2070960), (864, 1898380), (880, 1863864), (960, 1708542), (990, 1656768), (1056, 1553220), (1080, 1518704), (1152, 1423785), (1188, 1380640), (1320, 1242576), (1408, 1164915), (1440, 1139028), (1485, 1104512), (1584, 1035480), (1728, 949190), (1760, 931932), (1920, 854271), (1980, 828384), (2112, 776610), (2160, 759352), (2376, 690320), (2640, 621288), (2880, 569514), (2970, 552256), (3168, 517740), (3456, 474595), (3520, 465966), (3960, 414192), (4224, 388305), (4320, 379676), (4752, 345160), (5280, 310644), (5760, 284757), (5940, 276128), (6336, 258870), (7040, 232983), (7920, 207096), (8629, 190080), (8640, 189838), (9504, 172580), (10560, 155322), (11880, 138064), (12672, 129435), (15840, 103548), (17258, 95040), (17280, 94919), (19008, 86290), (21120, 77661), (23760, 69032), (25887, 63360), (31680, 51774), (34516, 47520), (38016, 43145)]