8078840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 23569920

約数和(自身を除く): 15491080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 61, 70, 77, 86, 88, 110, 122, 140, 154, 172, 215, 220, 244, 280, 301, 305, 308, 344, 385, 427, 430, 440, 473, 488, 602, 610, 616, 671, 770, 854, 860, 946, 1204, 1220, 1342, 1505, 1540, 1708, 1720, 1892, 2135, 2365, 2408, 2440, 2623, 2684, 3010, 3080, 3311, 3355, 3416, 3784, 4270, 4697, 4730, 5246, 5368, 6020, 6622, 6710, 8540, 9394, 9460, 10492, 12040, 13115, 13244, 13420, 16555, 17080, 18361, 18788, 18920, 20984, 23485, 26230, 26488, 26840, 28853, 33110, 36722, 37576, 46970, 52460, 57706, 66220, 73444, 91805, 93940, 104920, 115412, 132440, 144265, 146888, 183610, 187880, 201971, 230824, 288530, 367220, 403942, 577060, 734440, 807884, 1009855, 1154120, 1615768, 2019710, 4039420, 8078840]

約数ペア:

[(1, 8078840), (2, 4039420), (4, 2019710), (5, 1615768), (7, 1154120), (8, 1009855), (10, 807884), (11, 734440), (14, 577060), (20, 403942), (22, 367220), (28, 288530), (35, 230824), (40, 201971), (43, 187880), (44, 183610), (55, 146888), (56, 144265), (61, 132440), (70, 115412), (77, 104920), (86, 93940), (88, 91805), (110, 73444), (122, 66220), (140, 57706), (154, 52460), (172, 46970), (215, 37576), (220, 36722), (244, 33110), (280, 28853), (301, 26840), (305, 26488), (308, 26230), (344, 23485), (385, 20984), (427, 18920), (430, 18788), (440, 18361), (473, 17080), (488, 16555), (602, 13420), (610, 13244), (616, 13115), (671, 12040), (770, 10492), (854, 9460), (860, 9394), (946, 8540), (1204, 6710), (1220, 6622), (1342, 6020), (1505, 5368), (1540, 5246), (1708, 4730), (1720, 4697), (1892, 4270), (2135, 3784), (2365, 3416), (2408, 3355), (2440, 3311), (2623, 3080), (2684, 3010)]