81780216

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 239714640

約数和(自身を除く): 157934424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 197, 294, 353, 392, 394, 588, 591, 706, 788, 1059, 1176, 1182, 1379, 1412, 1576, 2118, 2364, 2471, 2758, 2824, 4137, 4236, 4728, 4942, 5516, 7413, 8274, 8472, 9653, 9884, 11032, 14826, 16548, 17297, 19306, 19768, 28959, 29652, 33096, 34594, 38612, 51891, 57918, 59304, 69188, 69541, 77224, 103782, 115836, 138376, 139082, 207564, 208623, 231672, 278164, 415128, 417246, 486787, 556328, 834492, 973574, 1460361, 1668984, 1947148, 2920722, 3407509, 3894296, 5841444, 6815018, 10222527, 11682888, 13630036, 20445054, 27260072, 40890108, 81780216]

約数ペア:

[(1, 81780216), (2, 40890108), (3, 27260072), (4, 20445054), (6, 13630036), (7, 11682888), (8, 10222527), (12, 6815018), (14, 5841444), (21, 3894296), (24, 3407509), (28, 2920722), (42, 1947148), (49, 1668984), (56, 1460361), (84, 973574), (98, 834492), (147, 556328), (168, 486787), (196, 417246), (197, 415128), (294, 278164), (353, 231672), (392, 208623), (394, 207564), (588, 139082), (591, 138376), (706, 115836), (788, 103782), (1059, 77224), (1176, 69541), (1182, 69188), (1379, 59304), (1412, 57918), (1576, 51891), (2118, 38612), (2364, 34594), (2471, 33096), (2758, 29652), (2824, 28959), (4137, 19768), (4236, 19306), (4728, 17297), (4942, 16548), (5516, 14826), (7413, 11032), (8274, 9884), (8472, 9653)]