66781728

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17837}}^1$

素因数の和:17866

約数の個数: 72

約数和(自身を含む): 204530508

約数和(自身を除く): 137748780

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 17837, 35674, 53511, 71348, 107022, 142696, 160533, 214044, 231881, 285392, 321066, 428088, 463762, 570784, 642132, 695643, 856176, 927524, 1284264, 1391286, 1712352, 1855048, 2086929, 2568528, 2782572, 3710096, 4173858, 5137056, 5565144, 7420192, 8347716, 11130288, 16695432, 22260576, 33390864, 66781728]

約数ペア:

[(1, 66781728), (2, 33390864), (3, 22260576), (4, 16695432), (6, 11130288), (8, 8347716), (9, 7420192), (12, 5565144), (13, 5137056), (16, 4173858), (18, 3710096), (24, 2782572), (26, 2568528), (32, 2086929), (36, 1855048), (39, 1712352), (48, 1391286), (52, 1284264), (72, 927524), (78, 856176), (96, 695643), (104, 642132), (117, 570784), (144, 463762), (156, 428088), (208, 321066), (234, 285392), (288, 231881), (312, 214044), (416, 160533), (468, 142696), (624, 107022), (936, 71348), (1248, 53511), (1872, 35674), (3744, 17837)]