39880680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 137998080

約数和(自身を除く): 98117400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 241, 280, 394, 420, 482, 591, 723, 788, 840, 964, 985, 1182, 1205, 1379, 1446, 1576, 1687, 1928, 1970, 2364, 2410, 2758, 2892, 2955, 3374, 3615, 3940, 4137, 4728, 4820, 5061, 5516, 5784, 5910, 6748, 6895, 7230, 7880, 8274, 8435, 9640, 10122, 11032, 11820, 13496, 13790, 14460, 16548, 16870, 20244, 20685, 23640, 25305, 27580, 28920, 33096, 33740, 40488, 41370, 47477, 50610, 55160, 67480, 82740, 94954, 101220, 142431, 165480, 189908, 202440, 237385, 284862, 332339, 379816, 474770, 569724, 664678, 712155, 949540, 997017, 1139448, 1329356, 1424310, 1661695, 1899080, 1994034, 2658712, 2848620, 3323390, 3988068, 4985085, 5697240, 6646780, 7976136, 9970170, 13293560, 19940340, 39880680]

約数ペア:

[(1, 39880680), (2, 19940340), (3, 13293560), (4, 9970170), (5, 7976136), (6, 6646780), (7, 5697240), (8, 4985085), (10, 3988068), (12, 3323390), (14, 2848620), (15, 2658712), (20, 1994034), (21, 1899080), (24, 1661695), (28, 1424310), (30, 1329356), (35, 1139448), (40, 997017), (42, 949540), (56, 712155), (60, 664678), (70, 569724), (84, 474770), (105, 379816), (120, 332339), (140, 284862), (168, 237385), (197, 202440), (210, 189908), (241, 165480), (280, 142431), (394, 101220), (420, 94954), (482, 82740), (591, 67480), (723, 55160), (788, 50610), (840, 47477), (964, 41370), (985, 40488), (1182, 33740), (1205, 33096), (1379, 28920), (1446, 27580), (1576, 25305), (1687, 23640), (1928, 20685), (1970, 20244), (2364, 16870), (2410, 16548), (2758, 14460), (2892, 13790), (2955, 13496), (3374, 11820), (3615, 11032), (3940, 10122), (4137, 9640), (4728, 8435), (4820, 8274), (5061, 7880), (5516, 7230), (5784, 6895), (5910, 6748)]