264556240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2003}}^1$

素因数の和:2156

約数の個数: 80

約数和(自身を含む): 667957248

約数和(自身を除く): 403401008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2003, 2032, 2540, 3302, 4006, 5080, 6604, 8012, 8255, 10015, 10160, 13208, 16024, 16510, 20030, 26039, 26416, 32048, 33020, 40060, 52078, 66040, 80120, 104156, 130195, 132080, 160240, 208312, 254381, 260390, 416624, 508762, 520780, 1017524, 1041560, 1271905, 2035048, 2083120, 2543810, 3306953, 4070096, 5087620, 6613906, 10175240, 13227812, 16534765, 20350480, 26455624, 33069530, 52911248, 66139060, 132278120, 264556240]

約数ペア:

[(1, 264556240), (2, 132278120), (4, 66139060), (5, 52911248), (8, 33069530), (10, 26455624), (13, 20350480), (16, 16534765), (20, 13227812), (26, 10175240), (40, 6613906), (52, 5087620), (65, 4070096), (80, 3306953), (104, 2543810), (127, 2083120), (130, 2035048), (208, 1271905), (254, 1041560), (260, 1017524), (508, 520780), (520, 508762), (635, 416624), (1016, 260390), (1040, 254381), (1270, 208312), (1651, 160240), (2003, 132080), (2032, 130195), (2540, 104156), (3302, 80120), (4006, 66040), (5080, 52078), (6604, 40060), (8012, 33020), (8255, 32048), (10015, 26416), (10160, 26039), (13208, 20030), (16024, 16510)]