87951780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 216

約数和(自身を含む): 319580352

約数和(自身を除く): 231628572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 83, 84, 87, 90, 105, 116, 126, 140, 145, 166, 174, 180, 203, 210, 249, 252, 261, 290, 315, 332, 348, 406, 415, 420, 435, 498, 522, 580, 581, 609, 630, 747, 812, 830, 841, 870, 996, 1015, 1044, 1162, 1218, 1245, 1260, 1305, 1494, 1660, 1682, 1740, 1743, 1827, 2030, 2324, 2407, 2436, 2490, 2523, 2610, 2905, 2988, 3045, 3364, 3486, 3654, 3735, 4060, 4205, 4814, 4980, 5046, 5220, 5229, 5810, 5887, 6090, 6972, 7221, 7308, 7470, 7569, 8410, 8715, 9135, 9628, 10092, 10458, 11620, 11774, 12035, 12180, 12615, 14442, 14940, 15138, 16820, 16849, 17430, 17661, 18270, 20916, 21663, 23548, 24070, 25230, 26145, 28884, 29435, 30276, 33698, 34860, 35322, 36105, 36540, 37845, 43326, 48140, 50460, 50547, 52290, 52983, 58870, 67396, 69803, 70644, 72210, 75690, 84245, 86652, 88305, 101094, 104580, 105966, 108315, 117740, 139606, 144420, 151380, 151641, 168490, 176610, 202188, 209409, 211932, 216630, 252735, 264915, 279212, 303282, 336980, 349015, 353220, 418818, 433260, 488621, 505470, 529830, 606564, 628227, 698030, 758205, 837636, 977242, 1010940, 1047045, 1059660, 1256454, 1396060, 1465863, 1516410, 1954484, 2094090, 2443105, 2512908, 2931726, 3032820, 3141135, 4188180, 4397589, 4886210, 5863452, 6282270, 7329315, 8795178, 9772420, 12564540, 14658630, 17590356, 21987945, 29317260, 43975890, 87951780]

約数ペア:

[(1, 87951780), (2, 43975890), (3, 29317260), (4, 21987945), (5, 17590356), (6, 14658630), (7, 12564540), (9, 9772420), (10, 8795178), (12, 7329315), (14, 6282270), (15, 5863452), (18, 4886210), (20, 4397589), (21, 4188180), (28, 3141135), (29, 3032820), (30, 2931726), (35, 2512908), (36, 2443105), (42, 2094090), (45, 1954484), (58, 1516410), (60, 1465863), (63, 1396060), (70, 1256454), (83, 1059660), (84, 1047045), (87, 1010940), (90, 977242), (105, 837636), (116, 758205), (126, 698030), (140, 628227), (145, 606564), (166, 529830), (174, 505470), (180, 488621), (203, 433260), (210, 418818), (249, 353220), (252, 349015), (261, 336980), (290, 303282), (315, 279212), (332, 264915), (348, 252735), (406, 216630), (415, 211932), (420, 209409), (435, 202188), (498, 176610), (522, 168490), (580, 151641), (581, 151380), (609, 144420), (630, 139606), (747, 117740), (812, 108315), (830, 105966), (841, 104580), (870, 101094), (996, 88305), (1015, 86652), (1044, 84245), (1162, 75690), (1218, 72210), (1245, 70644), (1260, 69803), (1305, 67396), (1494, 58870), (1660, 52983), (1682, 52290), (1740, 50547), (1743, 50460), (1827, 48140), (2030, 43326), (2324, 37845), (2407, 36540), (2436, 36105), (2490, 35322), (2523, 34860), (2610, 33698), (2905, 30276), (2988, 29435), (3045, 28884), (3364, 26145), (3486, 25230), (3654, 24070), (3735, 23548), (4060, 21663), (4205, 20916), (4814, 18270), (4980, 17661), (5046, 17430), (5220, 16849), (5229, 16820), (5810, 15138), (5887, 14940), (6090, 14442), (6972, 12615), (7221, 12180), (7308, 12035), (7470, 11774), (7569, 11620), (8410, 10458), (8715, 10092), (9135, 9628)]