1310365840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{1499}}^1$

素因数の和:1749

約数の個数: 120

約数和(自身を含む): 3562272000

約数和(自身を除く): 2251906160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 223, 245, 280, 392, 446, 490, 560, 784, 892, 980, 1115, 1499, 1561, 1784, 1960, 2230, 2998, 3122, 3568, 3920, 4460, 5996, 6244, 7495, 7805, 8920, 10493, 10927, 11992, 12488, 14990, 15610, 17840, 20986, 21854, 23984, 24976, 29980, 31220, 41972, 43708, 52465, 54635, 59960, 62440, 73451, 83944, 87416, 104930, 109270, 119920, 124880, 146902, 167888, 174832, 209860, 218540, 293804, 334277, 367255, 419720, 437080, 587608, 668554, 734510, 839440, 874160, 1175216, 1337108, 1469020, 1671385, 2339939, 2674216, 2938040, 3342770, 4679878, 5348432, 5876080, 6685540, 9359756, 11699695, 13371080, 16379573, 18719512, 23399390, 26742160, 32759146, 37439024, 46798780, 65518292, 81897865, 93597560, 131036584, 163795730, 187195120, 262073168, 327591460, 655182920, 1310365840]

約数ペア:

[(1, 1310365840), (2, 655182920), (4, 327591460), (5, 262073168), (7, 187195120), (8, 163795730), (10, 131036584), (14, 93597560), (16, 81897865), (20, 65518292), (28, 46798780), (35, 37439024), (40, 32759146), (49, 26742160), (56, 23399390), (70, 18719512), (80, 16379573), (98, 13371080), (112, 11699695), (140, 9359756), (196, 6685540), (223, 5876080), (245, 5348432), (280, 4679878), (392, 3342770), (446, 2938040), (490, 2674216), (560, 2339939), (784, 1671385), (892, 1469020), (980, 1337108), (1115, 1175216), (1499, 874160), (1561, 839440), (1784, 734510), (1960, 668554), (2230, 587608), (2998, 437080), (3122, 419720), (3568, 367255), (3920, 334277), (4460, 293804), (5996, 218540), (6244, 209860), (7495, 174832), (7805, 167888), (8920, 146902), (10493, 124880), (10927, 119920), (11992, 109270), (12488, 104930), (14990, 87416), (15610, 83944), (17840, 73451), (20986, 62440), (21854, 59960), (23984, 54635), (24976, 52465), (29980, 43708), (31220, 41972)]