668403540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4177}}^1$

素因数の和:4326

約数の個数: 144

約数和(自身を含む): 2335936512

約数和(自身を除く): 1667532972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1524, 1778, 1905, 2286, 2540, 2667, 3556, 3810, 4177, 4445, 4572, 5334, 5715, 7620, 8001, 8354, 8890, 10668, 11430, 12531, 13335, 16002, 16708, 17780, 20885, 22860, 25062, 26670, 29239, 32004, 37593, 40005, 41770, 50124, 53340, 58478, 62655, 75186, 80010, 83540, 87717, 116956, 125310, 146195, 150372, 160020, 175434, 187965, 250620, 263151, 292390, 350868, 375930, 438585, 526302, 530479, 584780, 751860, 877170, 1052604, 1060958, 1315755, 1591437, 1754340, 2121916, 2631510, 2652395, 3182874, 3713353, 4774311, 5263020, 5304790, 6365748, 7426706, 7957185, 9548622, 10609580, 11140059, 14853412, 15914370, 18566765, 19097244, 22280118, 23871555, 31828740, 33420177, 37133530, 44560236, 47743110, 55700295, 66840354, 74267060, 95486220, 111400590, 133680708, 167100885, 222801180, 334201770, 668403540]

約数ペア:

[(1, 668403540), (2, 334201770), (3, 222801180), (4, 167100885), (5, 133680708), (6, 111400590), (7, 95486220), (9, 74267060), (10, 66840354), (12, 55700295), (14, 47743110), (15, 44560236), (18, 37133530), (20, 33420177), (21, 31828740), (28, 23871555), (30, 22280118), (35, 19097244), (36, 18566765), (42, 15914370), (45, 14853412), (60, 11140059), (63, 10609580), (70, 9548622), (84, 7957185), (90, 7426706), (105, 6365748), (126, 5304790), (127, 5263020), (140, 4774311), (180, 3713353), (210, 3182874), (252, 2652395), (254, 2631510), (315, 2121916), (381, 1754340), (420, 1591437), (508, 1315755), (630, 1060958), (635, 1052604), (762, 877170), (889, 751860), (1143, 584780), (1260, 530479), (1270, 526302), (1524, 438585), (1778, 375930), (1905, 350868), (2286, 292390), (2540, 263151), (2667, 250620), (3556, 187965), (3810, 175434), (4177, 160020), (4445, 150372), (4572, 146195), (5334, 125310), (5715, 116956), (7620, 87717), (8001, 83540), (8354, 80010), (8890, 75186), (10668, 62655), (11430, 58478), (12531, 53340), (13335, 50124), (16002, 41770), (16708, 40005), (17780, 37593), (20885, 32004), (22860, 29239), (25062, 26670)]