19978354080

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{243401}}^1$

素因数の和:243444

約数の個数: 192

約数和(自身を含む): 73604764800

約数和(自身を除く): 53626410720

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, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 16416, 20520, 27360, 41040, 82080, 243401, 486802, 730203, 973604, 1217005, 1460406, 1947208, 2190609, 2434010, 2920812, 3651015, 3894416, 4381218, 4624619, 4868020, 5841624, 6571827, 7302030, 7788832, 8762436, 9249238, 9736040, 10953045, 11683248, 13143654, 13873857, 14604060, 17524872, 18498476, 19472080, 21906090, 23123095, 23366496, 26287308, 27747714, 29208120, 32859135, 35049744, 36996952, 38944160, 41621571, 43812180, 46246190, 52574616, 55495428, 58416240, 65718270, 69369285, 70099488, 73993904, 83243142, 87624360, 92492380, 105149232, 110990856, 116832480, 124864713, 131436540, 138738570, 147987808, 166486284, 175248720, 184984760, 208107855, 210298464, 221981712, 249729426, 262873080, 277477140, 332972568, 350497440, 369969520, 416215710, 443963424, 499458852, 525746160, 554954280, 624323565, 665945136, 739939040, 832431420, 998917704, 1051492320, 1109908560, 1248647130, 1331890272, 1664862840, 1997835408, 2219817120, 2497294260, 3329725680, 3995670816, 4994588520, 6659451360, 9989177040, 19978354080]

約数ペア:

[(1, 19978354080), (2, 9989177040), (3, 6659451360), (4, 4994588520), (5, 3995670816), (6, 3329725680), (8, 2497294260), (9, 2219817120), (10, 1997835408), (12, 1664862840), (15, 1331890272), (16, 1248647130), (18, 1109908560), (19, 1051492320), (20, 998917704), (24, 832431420), (27, 739939040), (30, 665945136), (32, 624323565), (36, 554954280), (38, 525746160), (40, 499458852), (45, 443963424), (48, 416215710), (54, 369969520), (57, 350497440), (60, 332972568), (72, 277477140), (76, 262873080), (80, 249729426), (90, 221981712), (95, 210298464), (96, 208107855), (108, 184984760), (114, 175248720), (120, 166486284), (135, 147987808), (144, 138738570), (152, 131436540), (160, 124864713), (171, 116832480), (180, 110990856), (190, 105149232), (216, 92492380), (228, 87624360), (240, 83243142), (270, 73993904), (285, 70099488), (288, 69369285), (304, 65718270), (342, 58416240), (360, 55495428), (380, 52574616), (432, 46246190), (456, 43812180), (480, 41621571), (513, 38944160), (540, 36996952), (570, 35049744), (608, 32859135), (684, 29208120), (720, 27747714), (760, 26287308), (855, 23366496), (864, 23123095), (912, 21906090), (1026, 19472080), (1080, 18498476), (1140, 17524872), (1368, 14604060), (1440, 13873857), (1520, 13143654), (1710, 11683248), (1824, 10953045), (2052, 9736040), (2160, 9249238), (2280, 8762436), (2565, 7788832), (2736, 7302030), (3040, 6571827), (3420, 5841624), (4104, 4868020), (4320, 4624619), (4560, 4381218), (5130, 3894416), (5472, 3651015), (6840, 2920812), (8208, 2434010), (9120, 2190609), (10260, 1947208), (13680, 1460406), (16416, 1217005), (20520, 973604), (27360, 730203), (41040, 486802), (82080, 243401)]