81273984

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 239708160

約数和(自身を除く): 158434176

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 71, 88, 96, 128, 132, 142, 176, 192, 213, 264, 271, 284, 352, 384, 426, 528, 542, 568, 704, 781, 813, 852, 1056, 1084, 1136, 1408, 1562, 1626, 1704, 2112, 2168, 2272, 2343, 2981, 3124, 3252, 3408, 4224, 4336, 4544, 4686, 5962, 6248, 6504, 6816, 8672, 8943, 9088, 9372, 11924, 12496, 13008, 13632, 17344, 17886, 18744, 19241, 23848, 24992, 26016, 27264, 34688, 35772, 37488, 38482, 47696, 49984, 52032, 57723, 71544, 74976, 76964, 95392, 99968, 104064, 115446, 143088, 149952, 153928, 190784, 211651, 230892, 286176, 299904, 307856, 381568, 423302, 461784, 572352, 615712, 634953, 846604, 923568, 1144704, 1231424, 1269906, 1693208, 1847136, 2462848, 2539812, 3386416, 3694272, 5079624, 6772832, 7388544, 10159248, 13545664, 20318496, 27091328, 40636992, 81273984]

約数ペア:

[(1, 81273984), (2, 40636992), (3, 27091328), (4, 20318496), (6, 13545664), (8, 10159248), (11, 7388544), (12, 6772832), (16, 5079624), (22, 3694272), (24, 3386416), (32, 2539812), (33, 2462848), (44, 1847136), (48, 1693208), (64, 1269906), (66, 1231424), (71, 1144704), (88, 923568), (96, 846604), (128, 634953), (132, 615712), (142, 572352), (176, 461784), (192, 423302), (213, 381568), (264, 307856), (271, 299904), (284, 286176), (352, 230892), (384, 211651), (426, 190784), (528, 153928), (542, 149952), (568, 143088), (704, 115446), (781, 104064), (813, 99968), (852, 95392), (1056, 76964), (1084, 74976), (1136, 71544), (1408, 57723), (1562, 52032), (1626, 49984), (1704, 47696), (2112, 38482), (2168, 37488), (2272, 35772), (2343, 34688), (2981, 27264), (3124, 26016), (3252, 24992), (3408, 23848), (4224, 19241), (4336, 18744), (4544, 17886), (4686, 17344), (5962, 13632), (6248, 13008), (6504, 12496), (6816, 11924), (8672, 9372), (8943, 9088)]