638746560

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1345

約数の個数: 280

約数和(自身を含む): 2393563920

約数和(自身を除く): 1754817360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 576, 608, 648, 684, 720, 760, 810, 855, 864, 912, 960, 1026, 1080, 1140, 1216, 1296, 1297, 1368, 1440, 1520, 1539, 1620, 1710, 1728, 1824, 2052, 2160, 2280, 2565, 2592, 2594, 2736, 2880, 3040, 3078, 3240, 3420, 3648, 3891, 4104, 4320, 4560, 5130, 5184, 5188, 5472, 6080, 6156, 6480, 6485, 6840, 7695, 7782, 8208, 8640, 9120, 10260, 10376, 10944, 11673, 12312, 12960, 12970, 13680, 15390, 15564, 16416, 18240, 19455, 20520, 20752, 23346, 24624, 24643, 25920, 25940, 27360, 30780, 31128, 32832, 35019, 38910, 41040, 41504, 46692, 49248, 49286, 51880, 54720, 58365, 61560, 62256, 70038, 73929, 77820, 82080, 83008, 93384, 98496, 98572, 103760, 105057, 116730, 123120, 123215, 124512, 140076, 147858, 155640, 164160, 175095, 186768, 197144, 207520, 210114, 221787, 233460, 246240, 246430, 249024, 280152, 295716, 311280, 350190, 369645, 373536, 394288, 415040, 420228, 443574, 466920, 492480, 492860, 525285, 560304, 591432, 622560, 665361, 700380, 739290, 747072, 788576, 840456, 887148, 933840, 985720, 1050570, 1108935, 1120608, 1182864, 1245120, 1330722, 1400760, 1478580, 1577152, 1680912, 1774296, 1867680, 1971440, 1996083, 2101140, 2217870, 2241216, 2365728, 2661444, 2801520, 2957160, 3326805, 3361824, 3548592, 3735360, 3942880, 3992166, 4202280, 4435740, 4731456, 5322888, 5603040, 5914320, 6653610, 6723648, 7097184, 7885760, 7984332, 8404560, 8871480, 9980415, 10645776, 11206080, 11828640, 13307220, 14194368, 15968664, 16809120, 17742960, 19960830, 21291552, 23657280, 26614440, 31937328, 33618240, 35485920, 39921660, 42583104, 53228880, 63874656, 70971840, 79843320, 106457760, 127749312, 159686640, 212915520, 319373280, 638746560]

約数ペア:

[(1, 638746560), (2, 319373280), (3, 212915520), (4, 159686640), (5, 127749312), (6, 106457760), (8, 79843320), (9, 70971840), (10, 63874656), (12, 53228880), (15, 42583104), (16, 39921660), (18, 35485920), (19, 33618240), (20, 31937328), (24, 26614440), (27, 23657280), (30, 21291552), (32, 19960830), (36, 17742960), (38, 16809120), (40, 15968664), (45, 14194368), (48, 13307220), (54, 11828640), (57, 11206080), (60, 10645776), (64, 9980415), (72, 8871480), (76, 8404560), (80, 7984332), (81, 7885760), (90, 7097184), (95, 6723648), (96, 6653610), (108, 5914320), (114, 5603040), (120, 5322888), (135, 4731456), (144, 4435740), (152, 4202280), (160, 3992166), (162, 3942880), (171, 3735360), (180, 3548592), (190, 3361824), (192, 3326805), (216, 2957160), (228, 2801520), (240, 2661444), (270, 2365728), (285, 2241216), (288, 2217870), (304, 2101140), (320, 1996083), (324, 1971440), (342, 1867680), (360, 1774296), (380, 1680912), (405, 1577152), (432, 1478580), (456, 1400760), (480, 1330722), (513, 1245120), (540, 1182864), (570, 1120608), (576, 1108935), (608, 1050570), (648, 985720), (684, 933840), (720, 887148), (760, 840456), (810, 788576), (855, 747072), (864, 739290), (912, 700380), (960, 665361), (1026, 622560), (1080, 591432), (1140, 560304), (1216, 525285), (1296, 492860), (1297, 492480), (1368, 466920), (1440, 443574), (1520, 420228), (1539, 415040), (1620, 394288), (1710, 373536), (1728, 369645), (1824, 350190), (2052, 311280), (2160, 295716), (2280, 280152), (2565, 249024), (2592, 246430), (2594, 246240), (2736, 233460), (2880, 221787), (3040, 210114), (3078, 207520), (3240, 197144), (3420, 186768), (3648, 175095), (3891, 164160), (4104, 155640), (4320, 147858), (4560, 140076), (5130, 124512), (5184, 123215), (5188, 123120), (5472, 116730), (6080, 105057), (6156, 103760), (6480, 98572), (6485, 98496), (6840, 93384), (7695, 83008), (7782, 82080), (8208, 77820), (8640, 73929), (9120, 70038), (10260, 62256), (10376, 61560), (10944, 58365), (11673, 54720), (12312, 51880), (12960, 49286), (12970, 49248), (13680, 46692), (15390, 41504), (15564, 41040), (16416, 38910), (18240, 35019), (19455, 32832), (20520, 31128), (20752, 30780), (23346, 27360), (24624, 25940), (24643, 25920)]