87210900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 216

約数和(自身を含む): 317757440

約数和(自身を除く): 230546540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 109, 126, 127, 140, 150, 175, 180, 210, 218, 225, 252, 254, 300, 315, 327, 350, 381, 420, 436, 450, 508, 525, 545, 630, 635, 654, 700, 762, 763, 889, 900, 981, 1050, 1090, 1143, 1260, 1270, 1308, 1524, 1526, 1575, 1635, 1778, 1905, 1962, 2100, 2180, 2286, 2289, 2540, 2667, 2725, 3052, 3150, 3175, 3270, 3556, 3810, 3815, 3924, 4445, 4572, 4578, 4905, 5334, 5450, 5715, 6300, 6350, 6540, 6867, 7620, 7630, 8001, 8175, 8890, 9156, 9525, 9810, 10668, 10900, 11430, 11445, 12700, 13335, 13734, 13843, 15260, 16002, 16350, 17780, 19050, 19075, 19620, 22225, 22860, 22890, 24525, 26670, 27468, 27686, 28575, 32004, 32700, 34335, 38100, 38150, 40005, 41529, 44450, 45780, 49050, 53340, 55372, 57150, 57225, 66675, 68670, 69215, 76300, 80010, 83058, 88900, 96901, 98100, 114300, 114450, 124587, 133350, 137340, 138430, 160020, 166116, 171675, 193802, 200025, 207645, 228900, 249174, 266700, 276860, 290703, 343350, 346075, 387604, 400050, 415290, 484505, 498348, 581406, 622935, 686700, 692150, 800100, 830580, 872109, 969010, 1038225, 1162812, 1245870, 1384300, 1453515, 1744218, 1938020, 2076450, 2422525, 2491740, 2907030, 3114675, 3488436, 4152900, 4360545, 4845050, 5814060, 6229350, 7267575, 8721090, 9690100, 12458700, 14535150, 17442180, 21802725, 29070300, 43605450, 87210900]

約数ペア:

[(1, 87210900), (2, 43605450), (3, 29070300), (4, 21802725), (5, 17442180), (6, 14535150), (7, 12458700), (9, 9690100), (10, 8721090), (12, 7267575), (14, 6229350), (15, 5814060), (18, 4845050), (20, 4360545), (21, 4152900), (25, 3488436), (28, 3114675), (30, 2907030), (35, 2491740), (36, 2422525), (42, 2076450), (45, 1938020), (50, 1744218), (60, 1453515), (63, 1384300), (70, 1245870), (75, 1162812), (84, 1038225), (90, 969010), (100, 872109), (105, 830580), (109, 800100), (126, 692150), (127, 686700), (140, 622935), (150, 581406), (175, 498348), (180, 484505), (210, 415290), (218, 400050), (225, 387604), (252, 346075), (254, 343350), (300, 290703), (315, 276860), (327, 266700), (350, 249174), (381, 228900), (420, 207645), (436, 200025), (450, 193802), (508, 171675), (525, 166116), (545, 160020), (630, 138430), (635, 137340), (654, 133350), (700, 124587), (762, 114450), (763, 114300), (889, 98100), (900, 96901), (981, 88900), (1050, 83058), (1090, 80010), (1143, 76300), (1260, 69215), (1270, 68670), (1308, 66675), (1524, 57225), (1526, 57150), (1575, 55372), (1635, 53340), (1778, 49050), (1905, 45780), (1962, 44450), (2100, 41529), (2180, 40005), (2286, 38150), (2289, 38100), (2540, 34335), (2667, 32700), (2725, 32004), (3052, 28575), (3150, 27686), (3175, 27468), (3270, 26670), (3556, 24525), (3810, 22890), (3815, 22860), (3924, 22225), (4445, 19620), (4572, 19075), (4578, 19050), (4905, 17780), (5334, 16350), (5450, 16002), (5715, 15260), (6300, 13843), (6350, 13734), (6540, 13335), (6867, 12700), (7620, 11445), (7630, 11430), (8001, 10900), (8175, 10668), (8890, 9810), (9156, 9525)]