71432460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:908

約数の個数: 144

約数和(自身を含む): 242161920

約数和(自身を除く): 170729460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 330, 387, 396, 430, 473, 495, 516, 645, 660, 774, 839, 860, 946, 990, 1290, 1419, 1548, 1678, 1892, 1935, 1980, 2365, 2517, 2580, 2838, 3356, 3870, 4195, 4257, 4730, 5034, 5676, 7095, 7551, 7740, 8390, 8514, 9229, 9460, 10068, 12585, 14190, 15102, 16780, 17028, 18458, 21285, 25170, 27687, 28380, 30204, 36077, 36916, 37755, 42570, 46145, 50340, 55374, 72154, 75510, 83061, 85140, 92290, 108231, 110748, 138435, 144308, 151020, 166122, 180385, 184580, 216462, 276870, 324693, 332244, 360770, 396847, 415305, 432924, 541155, 553740, 649386, 721540, 793694, 830610, 1082310, 1190541, 1298772, 1587388, 1623465, 1661220, 1984235, 2164620, 2381082, 3246930, 3571623, 3968470, 4762164, 5952705, 6493860, 7143246, 7936940, 11905410, 14286492, 17858115, 23810820, 35716230, 71432460]

約数ペア:

[(1, 71432460), (2, 35716230), (3, 23810820), (4, 17858115), (5, 14286492), (6, 11905410), (9, 7936940), (10, 7143246), (11, 6493860), (12, 5952705), (15, 4762164), (18, 3968470), (20, 3571623), (22, 3246930), (30, 2381082), (33, 2164620), (36, 1984235), (43, 1661220), (44, 1623465), (45, 1587388), (55, 1298772), (60, 1190541), (66, 1082310), (86, 830610), (90, 793694), (99, 721540), (110, 649386), (129, 553740), (132, 541155), (165, 432924), (172, 415305), (180, 396847), (198, 360770), (215, 332244), (220, 324693), (258, 276870), (330, 216462), (387, 184580), (396, 180385), (430, 166122), (473, 151020), (495, 144308), (516, 138435), (645, 110748), (660, 108231), (774, 92290), (839, 85140), (860, 83061), (946, 75510), (990, 72154), (1290, 55374), (1419, 50340), (1548, 46145), (1678, 42570), (1892, 37755), (1935, 36916), (1980, 36077), (2365, 30204), (2517, 28380), (2580, 27687), (2838, 25170), (3356, 21285), (3870, 18458), (4195, 17028), (4257, 16780), (4730, 15102), (5034, 14190), (5676, 12585), (7095, 10068), (7551, 9460), (7740, 9229), (8390, 8514)]