81870544

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 193638400

約数和(自身を除く): 111767856

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 79, 112, 133, 152, 158, 266, 304, 316, 487, 532, 553, 632, 974, 1064, 1106, 1264, 1501, 1948, 2128, 2212, 3002, 3409, 3896, 4424, 6004, 6818, 7792, 8848, 9253, 10507, 12008, 13636, 18506, 21014, 24016, 27272, 37012, 38473, 42028, 54544, 64771, 74024, 76946, 84056, 129542, 148048, 153892, 168112, 259084, 269311, 307784, 518168, 538622, 615568, 730987, 1036336, 1077244, 1461974, 2154488, 2923948, 4308976, 5116909, 5847896, 10233818, 11695792, 20467636, 40935272, 81870544]

約数ペア:

[(1, 81870544), (2, 40935272), (4, 20467636), (7, 11695792), (8, 10233818), (14, 5847896), (16, 5116909), (19, 4308976), (28, 2923948), (38, 2154488), (56, 1461974), (76, 1077244), (79, 1036336), (112, 730987), (133, 615568), (152, 538622), (158, 518168), (266, 307784), (304, 269311), (316, 259084), (487, 168112), (532, 153892), (553, 148048), (632, 129542), (974, 84056), (1064, 76946), (1106, 74024), (1264, 64771), (1501, 54544), (1948, 42028), (2128, 38473), (2212, 37012), (3002, 27272), (3409, 24016), (3896, 21014), (4424, 18506), (6004, 13636), (6818, 12008), (7792, 10507), (8848, 9253)]