7863840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 27675648

約数和(自身を除く): 19811808

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, 72, 80, 86, 90, 96, 120, 127, 129, 144, 160, 172, 180, 215, 240, 254, 258, 288, 344, 360, 381, 387, 430, 480, 508, 516, 635, 645, 688, 720, 762, 774, 860, 1016, 1032, 1143, 1270, 1290, 1376, 1440, 1524, 1548, 1720, 1905, 1935, 2032, 2064, 2286, 2540, 2580, 3048, 3096, 3440, 3810, 3870, 4064, 4128, 4572, 5080, 5160, 5461, 5715, 6096, 6192, 6880, 7620, 7740, 9144, 10160, 10320, 10922, 11430, 12192, 12384, 15240, 15480, 16383, 18288, 20320, 20640, 21844, 22860, 27305, 30480, 30960, 32766, 36576, 43688, 45720, 49149, 54610, 60960, 61920, 65532, 81915, 87376, 91440, 98298, 109220, 131064, 163830, 174752, 182880, 196596, 218440, 245745, 262128, 327660, 393192, 436880, 491490, 524256, 655320, 786384, 873760, 982980, 1310640, 1572768, 1965960, 2621280, 3931920, 7863840]

約数ペア:

[(1, 7863840), (2, 3931920), (3, 2621280), (4, 1965960), (5, 1572768), (6, 1310640), (8, 982980), (9, 873760), (10, 786384), (12, 655320), (15, 524256), (16, 491490), (18, 436880), (20, 393192), (24, 327660), (30, 262128), (32, 245745), (36, 218440), (40, 196596), (43, 182880), (45, 174752), (48, 163830), (60, 131064), (72, 109220), (80, 98298), (86, 91440), (90, 87376), (96, 81915), (120, 65532), (127, 61920), (129, 60960), (144, 54610), (160, 49149), (172, 45720), (180, 43688), (215, 36576), (240, 32766), (254, 30960), (258, 30480), (288, 27305), (344, 22860), (360, 21844), (381, 20640), (387, 20320), (430, 18288), (480, 16383), (508, 15480), (516, 15240), (635, 12384), (645, 12192), (688, 11430), (720, 10922), (762, 10320), (774, 10160), (860, 9144), (1016, 7740), (1032, 7620), (1143, 6880), (1270, 6192), (1290, 6096), (1376, 5715), (1440, 5461), (1524, 5160), (1548, 5080), (1720, 4572), (1905, 4128), (1935, 4064), (2032, 3870), (2064, 3810), (2286, 3440), (2540, 3096), (2580, 3048)]