81365088

素因数分解:

$2^5\times 3^1\times 7^4\times {\mathrm{353}}^1$

素因数の和:394

約数の個数: 120

約数和(自身を含む): 249871608

約数和(自身を除く): 168506520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 343, 353, 392, 588, 672, 686, 706, 784, 1029, 1059, 1176, 1372, 1412, 1568, 2058, 2118, 2352, 2401, 2471, 2744, 2824, 4116, 4236, 4704, 4802, 4942, 5488, 5648, 7203, 7413, 8232, 8472, 9604, 9884, 10976, 11296, 14406, 14826, 16464, 16944, 17297, 19208, 19768, 28812, 29652, 32928, 33888, 34594, 38416, 39536, 51891, 57624, 59304, 69188, 76832, 79072, 103782, 115248, 118608, 121079, 138376, 207564, 230496, 237216, 242158, 276752, 363237, 415128, 484316, 553504, 726474, 830256, 847553, 968632, 1452948, 1660512, 1695106, 1937264, 2542659, 2905896, 3390212, 3874528, 5085318, 5811792, 6780424, 10170636, 11623584, 13560848, 20341272, 27121696, 40682544, 81365088]

約数ペア:

[(1, 81365088), (2, 40682544), (3, 27121696), (4, 20341272), (6, 13560848), (7, 11623584), (8, 10170636), (12, 6780424), (14, 5811792), (16, 5085318), (21, 3874528), (24, 3390212), (28, 2905896), (32, 2542659), (42, 1937264), (48, 1695106), (49, 1660512), (56, 1452948), (84, 968632), (96, 847553), (98, 830256), (112, 726474), (147, 553504), (168, 484316), (196, 415128), (224, 363237), (294, 276752), (336, 242158), (343, 237216), (353, 230496), (392, 207564), (588, 138376), (672, 121079), (686, 118608), (706, 115248), (784, 103782), (1029, 79072), (1059, 76832), (1176, 69188), (1372, 59304), (1412, 57624), (1568, 51891), (2058, 39536), (2118, 38416), (2352, 34594), (2401, 33888), (2471, 32928), (2744, 29652), (2824, 28812), (4116, 19768), (4236, 19208), (4704, 17297), (4802, 16944), (4942, 16464), (5488, 14826), (5648, 14406), (7203, 11296), (7413, 10976), (8232, 9884), (8472, 9604)]