1789178720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 192

約数和(自身を含む): 4969714176

約数和(自身を除く): 3180535456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 113, 134, 140, 160, 211, 224, 226, 268, 280, 335, 422, 452, 469, 536, 560, 565, 670, 791, 844, 904, 938, 1055, 1072, 1120, 1130, 1340, 1477, 1582, 1688, 1808, 1876, 2110, 2144, 2260, 2345, 2680, 2954, 3164, 3376, 3616, 3752, 3955, 4220, 4520, 4690, 5360, 5908, 6328, 6752, 7385, 7504, 7571, 7910, 8440, 9040, 9380, 10720, 11816, 12656, 14137, 14770, 15008, 15142, 15820, 16880, 18080, 18760, 23632, 23843, 25312, 28274, 29540, 30284, 31640, 33760, 37520, 37855, 47264, 47686, 52997, 56548, 59080, 60568, 63280, 70685, 75040, 75710, 95372, 98959, 105994, 113096, 118160, 119215, 121136, 126560, 141370, 151420, 166901, 190744, 197918, 211988, 226192, 236320, 238430, 242272, 264985, 282740, 302840, 333802, 381488, 395836, 423976, 452384, 476860, 494795, 529970, 565480, 605680, 667604, 762976, 791672, 834505, 847952, 953720, 989590, 1059940, 1130960, 1211360, 1335208, 1583344, 1597481, 1669010, 1695904, 1907440, 1979180, 2119880, 2261920, 2670416, 3166688, 3194962, 3338020, 3814880, 3958360, 4239760, 5340832, 6389924, 6676040, 7916720, 7987405, 8479520, 11182367, 12779848, 13352080, 15833440, 15974810, 22364734, 25559696, 26704160, 31949620, 44729468, 51119392, 55911835, 63899240, 89458936, 111823670, 127798480, 178917872, 223647340, 255596960, 357835744, 447294680, 894589360, 1789178720]

約数ペア:

[(1, 1789178720), (2, 894589360), (4, 447294680), (5, 357835744), (7, 255596960), (8, 223647340), (10, 178917872), (14, 127798480), (16, 111823670), (20, 89458936), (28, 63899240), (32, 55911835), (35, 51119392), (40, 44729468), (56, 31949620), (67, 26704160), (70, 25559696), (80, 22364734), (112, 15974810), (113, 15833440), (134, 13352080), (140, 12779848), (160, 11182367), (211, 8479520), (224, 7987405), (226, 7916720), (268, 6676040), (280, 6389924), (335, 5340832), (422, 4239760), (452, 3958360), (469, 3814880), (536, 3338020), (560, 3194962), (565, 3166688), (670, 2670416), (791, 2261920), (844, 2119880), (904, 1979180), (938, 1907440), (1055, 1695904), (1072, 1669010), (1120, 1597481), (1130, 1583344), (1340, 1335208), (1477, 1211360), (1582, 1130960), (1688, 1059940), (1808, 989590), (1876, 953720), (2110, 847952), (2144, 834505), (2260, 791672), (2345, 762976), (2680, 667604), (2954, 605680), (3164, 565480), (3376, 529970), (3616, 494795), (3752, 476860), (3955, 452384), (4220, 423976), (4520, 395836), (4690, 381488), (5360, 333802), (5908, 302840), (6328, 282740), (6752, 264985), (7385, 242272), (7504, 238430), (7571, 236320), (7910, 226192), (8440, 211988), (9040, 197918), (9380, 190744), (10720, 166901), (11816, 151420), (12656, 141370), (14137, 126560), (14770, 121136), (15008, 119215), (15142, 118160), (15820, 113096), (16880, 105994), (18080, 98959), (18760, 95372), (23632, 75710), (23843, 75040), (25312, 70685), (28274, 63280), (29540, 60568), (30284, 59080), (31640, 56548), (33760, 52997), (37520, 47686), (37855, 47264)]