81374053.000000000

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1549}}^1$

素因数の和:1734

約数の個数: 96

約数和(自身を含む): 1069723200

約数和(自身を除く): 671373066

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 157, 182, 234, 273, 314, 471, 546, 819, 942, 1099, 1413, 1549, 1638, 2041, 2198, 2826, 3098, 3297, 4082, 4647, 6123, 6594, 9294, 9891, 10843, 12246, 13941, 14287, 18369, 19782, 20137, 21686, 27882, 28574, 32529, 36738, 40274, 42861, 60411, 65058, 85722, 97587, 120822, 128583, 140959, 181233, 195174, 243193, 257166, 281918, 362466, 422877, 486386, 729579, 845754, 1268631, 1459158, 1702351, 2188737, 2537262, 3161509, 3404702, 4377474, 5107053, 6323018, 9484527, 10214106, 15321159, 18969054, 22130563, 28453581, 30642318, 44261126, 56907162, 66391689, 132783378, 199175067, 398350134]

約数ペア:

[(1, 398350134), (2, 199175067), (3, 132783378), (6, 66391689), (7, 56907162), (9, 44261126), (13, 30642318), (14, 28453581), (18, 22130563), (21, 18969054), (26, 15321159), (39, 10214106), (42, 9484527), (63, 6323018), (78, 5107053), (91, 4377474), (117, 3404702), (126, 3161509), (157, 2537262), (182, 2188737), (234, 1702351), (273, 1459158), (314, 1268631), (471, 845754), (546, 729579), (819, 486386), (942, 422877), (1099, 362466), (1413, 281918), (1549, 257166), (1638, 243193), (2041, 195174), (2198, 181233), (2826, 140959), (3098, 128583), (3297, 120822), (4082, 97587), (4647, 85722), (6123, 65058), (6594, 60411), (9294, 42861), (9891, 40274), (10843, 36738), (12246, 32529), (13941, 28574), (14287, 27882), (18369, 21686), (19782, 20137)]