1285678440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{20177}}^1$

素因数の和:20256

約数の個数: 128

約数和(自身を含む): 4358448000

約数和(自身を除く): 3072769560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 270, 295, 354, 360, 472, 531, 540, 590, 708, 885, 1062, 1080, 1180, 1416, 1593, 1770, 2124, 2360, 2655, 3186, 3540, 4248, 5310, 6372, 7080, 7965, 10620, 12744, 15930, 20177, 21240, 31860, 40354, 60531, 63720, 80708, 100885, 121062, 161416, 181593, 201770, 242124, 302655, 363186, 403540, 484248, 544779, 605310, 726372, 807080, 907965, 1089558, 1190443, 1210620, 1452744, 1815930, 2179116, 2380886, 2421240, 2723895, 3571329, 3631860, 4358232, 4761772, 5447790, 5952215, 7142658, 7263720, 9523544, 10713987, 10895580, 11904430, 14285316, 17856645, 21427974, 21791160, 23808860, 28570632, 32141961, 35713290, 42855948, 47617720, 53569935, 64283922, 71426580, 85711896, 107139870, 128567844, 142853160, 160709805, 214279740, 257135688, 321419610, 428559480, 642839220, 1285678440]

約数ペア:

[(1, 1285678440), (2, 642839220), (3, 428559480), (4, 321419610), (5, 257135688), (6, 214279740), (8, 160709805), (9, 142853160), (10, 128567844), (12, 107139870), (15, 85711896), (18, 71426580), (20, 64283922), (24, 53569935), (27, 47617720), (30, 42855948), (36, 35713290), (40, 32141961), (45, 28570632), (54, 23808860), (59, 21791160), (60, 21427974), (72, 17856645), (90, 14285316), (108, 11904430), (118, 10895580), (120, 10713987), (135, 9523544), (177, 7263720), (180, 7142658), (216, 5952215), (236, 5447790), (270, 4761772), (295, 4358232), (354, 3631860), (360, 3571329), (472, 2723895), (531, 2421240), (540, 2380886), (590, 2179116), (708, 1815930), (885, 1452744), (1062, 1210620), (1080, 1190443), (1180, 1089558), (1416, 907965), (1593, 807080), (1770, 726372), (2124, 605310), (2360, 544779), (2655, 484248), (3186, 403540), (3540, 363186), (4248, 302655), (5310, 242124), (6372, 201770), (7080, 181593), (7965, 161416), (10620, 121062), (12744, 100885), (15930, 80708), (20177, 63720), (21240, 60531), (31860, 40354)]