21173420160

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{85487}}^1$

素因数の和:85555

約数の個数: 192

約数和(自身を含む): 74815678080

約数和(自身を除く): 53642257920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 258, 288, 320, 344, 360, 384, 387, 430, 480, 516, 576, 640, 645, 688, 720, 774, 860, 960, 1032, 1152, 1290, 1376, 1440, 1548, 1720, 1920, 1935, 2064, 2580, 2752, 2880, 3096, 3440, 3870, 4128, 5160, 5504, 5760, 6192, 6880, 7740, 8256, 10320, 12384, 13760, 15480, 16512, 20640, 24768, 27520, 30960, 41280, 49536, 61920, 82560, 85487, 123840, 170974, 247680, 256461, 341948, 427435, 512922, 683896, 769383, 854870, 1025844, 1282305, 1367792, 1538766, 1709740, 2051688, 2564610, 2735584, 3077532, 3419480, 3675941, 3846915, 4103376, 5129220, 5471168, 6155064, 6838960, 7351882, 7693830, 8206752, 10258440, 10942336, 11027823, 12310128, 13677920, 14703764, 15387660, 16413504, 18379705, 20516880, 22055646, 24620256, 27355840, 29407528, 30775320, 32827008, 33083469, 36759410, 41033760, 44111292, 49240512, 54711680, 55139115, 58815056, 61550640, 66166938, 73518820, 82067520, 88222584, 98481024, 110278230, 117630112, 123101280, 132333876, 147037640, 164135040, 165417345, 176445168, 220556460, 235260224, 246202560, 264667752, 294075280, 330834690, 352890336, 441112920, 470520448, 492405120, 529335504, 588150560, 661669380, 705780672, 882225840, 1058671008, 1176301120, 1323338760, 1411561344, 1764451680, 2117342016, 2352602240, 2646677520, 3528903360, 4234684032, 5293355040, 7057806720, 10586710080, 21173420160]

約数ペア:

[(1, 21173420160), (2, 10586710080), (3, 7057806720), (4, 5293355040), (5, 4234684032), (6, 3528903360), (8, 2646677520), (9, 2352602240), (10, 2117342016), (12, 1764451680), (15, 1411561344), (16, 1323338760), (18, 1176301120), (20, 1058671008), (24, 882225840), (30, 705780672), (32, 661669380), (36, 588150560), (40, 529335504), (43, 492405120), (45, 470520448), (48, 441112920), (60, 352890336), (64, 330834690), (72, 294075280), (80, 264667752), (86, 246202560), (90, 235260224), (96, 220556460), (120, 176445168), (128, 165417345), (129, 164135040), (144, 147037640), (160, 132333876), (172, 123101280), (180, 117630112), (192, 110278230), (215, 98481024), (240, 88222584), (258, 82067520), (288, 73518820), (320, 66166938), (344, 61550640), (360, 58815056), (384, 55139115), (387, 54711680), (430, 49240512), (480, 44111292), (516, 41033760), (576, 36759410), (640, 33083469), (645, 32827008), (688, 30775320), (720, 29407528), (774, 27355840), (860, 24620256), (960, 22055646), (1032, 20516880), (1152, 18379705), (1290, 16413504), (1376, 15387660), (1440, 14703764), (1548, 13677920), (1720, 12310128), (1920, 11027823), (1935, 10942336), (2064, 10258440), (2580, 8206752), (2752, 7693830), (2880, 7351882), (3096, 6838960), (3440, 6155064), (3870, 5471168), (4128, 5129220), (5160, 4103376), (5504, 3846915), (5760, 3675941), (6192, 3419480), (6880, 3077532), (7740, 2735584), (8256, 2564610), (10320, 2051688), (12384, 1709740), (13760, 1538766), (15480, 1367792), (16512, 1282305), (20640, 1025844), (24768, 854870), (27520, 769383), (30960, 683896), (41280, 512922), (49536, 427435), (61920, 341948), (82560, 256461), (85487, 247680), (123840, 170974)]