81017568

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7603}}^1$

素因数の和:7656

約数の個数: 72

約数和(自身を含む): 236651688

約数和(自身を除く): 155634120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 2664, 3552, 5328, 7603, 10656, 15206, 22809, 30412, 45618, 60824, 68427, 91236, 121648, 136854, 182472, 243296, 273708, 281311, 364944, 547416, 562622, 729888, 843933, 1094832, 1125244, 1687866, 2189664, 2250488, 2531799, 3375732, 4500976, 5063598, 6751464, 9001952, 10127196, 13502928, 20254392, 27005856, 40508784, 81017568]

約数ペア:

[(1, 81017568), (2, 40508784), (3, 27005856), (4, 20254392), (6, 13502928), (8, 10127196), (9, 9001952), (12, 6751464), (16, 5063598), (18, 4500976), (24, 3375732), (32, 2531799), (36, 2250488), (37, 2189664), (48, 1687866), (72, 1125244), (74, 1094832), (96, 843933), (111, 729888), (144, 562622), (148, 547416), (222, 364944), (288, 281311), (296, 273708), (333, 243296), (444, 182472), (592, 136854), (666, 121648), (888, 91236), (1184, 68427), (1332, 60824), (1776, 45618), (2664, 30412), (3552, 22809), (5328, 15206), (7603, 10656)]