81315648

素因数分解:

$2^6\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1787}}^1$

素因数の和:1884

約数の個数: 84

約数和(自身を含む): 236159040

約数和(自身を除く): 154843392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 79, 96, 144, 158, 192, 237, 288, 316, 474, 576, 632, 711, 948, 1264, 1422, 1787, 1896, 2528, 2844, 3574, 3792, 5056, 5361, 5688, 7148, 7584, 10722, 11376, 14296, 15168, 16083, 21444, 22752, 28592, 32166, 42888, 45504, 57184, 64332, 85776, 114368, 128664, 141173, 171552, 257328, 282346, 343104, 423519, 514656, 564692, 847038, 1029312, 1129384, 1270557, 1694076, 2258768, 2541114, 3388152, 4517536, 5082228, 6776304, 9035072, 10164456, 13552608, 20328912, 27105216, 40657824, 81315648]

約数ペア:

[(1, 81315648), (2, 40657824), (3, 27105216), (4, 20328912), (6, 13552608), (8, 10164456), (9, 9035072), (12, 6776304), (16, 5082228), (18, 4517536), (24, 3388152), (32, 2541114), (36, 2258768), (48, 1694076), (64, 1270557), (72, 1129384), (79, 1029312), (96, 847038), (144, 564692), (158, 514656), (192, 423519), (237, 343104), (288, 282346), (316, 257328), (474, 171552), (576, 141173), (632, 128664), (711, 114368), (948, 85776), (1264, 64332), (1422, 57184), (1787, 45504), (1896, 42888), (2528, 32166), (2844, 28592), (3574, 22752), (3792, 21444), (5056, 16083), (5361, 15168), (5688, 14296), (7148, 11376), (7584, 10722)]