81442656

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4793}}^1$

素因数の和:4868

約数の個数: 72

約数和(自身を含む): 235577160

約数和(自身を除く): 154134504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1416, 1888, 2124, 2832, 4248, 4793, 5664, 8496, 9586, 14379, 16992, 19172, 28758, 38344, 43137, 57516, 76688, 86274, 115032, 153376, 172548, 230064, 282787, 345096, 460128, 565574, 690192, 848361, 1131148, 1380384, 1696722, 2262296, 2545083, 3393444, 4524592, 5090166, 6786888, 9049184, 10180332, 13573776, 20360664, 27147552, 40721328, 81442656]

約数ペア:

[(1, 81442656), (2, 40721328), (3, 27147552), (4, 20360664), (6, 13573776), (8, 10180332), (9, 9049184), (12, 6786888), (16, 5090166), (18, 4524592), (24, 3393444), (32, 2545083), (36, 2262296), (48, 1696722), (59, 1380384), (72, 1131148), (96, 848361), (118, 690192), (144, 565574), (177, 460128), (236, 345096), (288, 282787), (354, 230064), (472, 172548), (531, 153376), (708, 115032), (944, 86274), (1062, 76688), (1416, 57516), (1888, 43137), (2124, 38344), (2832, 28758), (4248, 19172), (4793, 16992), (5664, 14379), (8496, 9586)]