81795168

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3157

約数の個数: 144

約数和(自身を含む): 286374816

約数和(自身を除く): 204579648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 819, 936, 1008, 1092, 1248, 1456, 1638, 1872, 2016, 2184, 2912, 3121, 3276, 3744, 4368, 6242, 6552, 8736, 9363, 12484, 13104, 18726, 21847, 24968, 26208, 28089, 37452, 40573, 43694, 49936, 56178, 65541, 74904, 81146, 87388, 99872, 112356, 121719, 131082, 149808, 162292, 174776, 196623, 224712, 243438, 262164, 284011, 299616, 324584, 349552, 365157, 393246, 449424, 486876, 524328, 568022, 649168, 699104, 730314, 786492, 852033, 898848, 973752, 1048656, 1136044, 1298336, 1460628, 1572984, 1704066, 1947504, 2097312, 2272088, 2556099, 2921256, 3145968, 3408132, 3895008, 4544176, 5112198, 5842512, 6291936, 6816264, 9088352, 10224396, 11685024, 13632528, 20448792, 27265056, 40897584, 81795168]

約数ペア:

[(1, 81795168), (2, 40897584), (3, 27265056), (4, 20448792), (6, 13632528), (7, 11685024), (8, 10224396), (9, 9088352), (12, 6816264), (13, 6291936), (14, 5842512), (16, 5112198), (18, 4544176), (21, 3895008), (24, 3408132), (26, 3145968), (28, 2921256), (32, 2556099), (36, 2272088), (39, 2097312), (42, 1947504), (48, 1704066), (52, 1572984), (56, 1460628), (63, 1298336), (72, 1136044), (78, 1048656), (84, 973752), (91, 898848), (96, 852033), (104, 786492), (112, 730314), (117, 699104), (126, 649168), (144, 568022), (156, 524328), (168, 486876), (182, 449424), (208, 393246), (224, 365157), (234, 349552), (252, 324584), (273, 299616), (288, 284011), (312, 262164), (336, 243438), (364, 224712), (416, 196623), (468, 174776), (504, 162292), (546, 149808), (624, 131082), (672, 121719), (728, 112356), (819, 99872), (936, 87388), (1008, 81146), (1092, 74904), (1248, 65541), (1456, 56178), (1638, 49936), (1872, 43694), (2016, 40573), (2184, 37452), (2912, 28089), (3121, 26208), (3276, 24968), (3744, 21847), (4368, 18726), (6242, 13104), (6552, 12484), (8736, 9363)]