81875584

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 202694400

約数和(自身を除く): 120818816

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 32, 46, 56, 58, 64, 92, 112, 116, 128, 137, 161, 184, 203, 224, 232, 274, 322, 368, 406, 448, 464, 548, 644, 667, 736, 812, 896, 928, 959, 1096, 1288, 1334, 1472, 1624, 1856, 1918, 2192, 2576, 2668, 2944, 3151, 3248, 3712, 3836, 3973, 4384, 4669, 5152, 5336, 6302, 6496, 7672, 7946, 8768, 9338, 10304, 10672, 12604, 12992, 15344, 15892, 17536, 18676, 20608, 21344, 22057, 25208, 25984, 27811, 30688, 31784, 37352, 42688, 44114, 50416, 55622, 61376, 63568, 74704, 85376, 88228, 91379, 100832, 111244, 122752, 127136, 149408, 176456, 182758, 201664, 222488, 254272, 298816, 352912, 365516, 403328, 444976, 508544, 597632, 639653, 705824, 731032, 889952, 1279306, 1411648, 1462064, 1779904, 2558612, 2823296, 2924128, 3559808, 5117224, 5848256, 10234448, 11696512, 20468896, 40937792, 81875584]

約数ペア:

[(1, 81875584), (2, 40937792), (4, 20468896), (7, 11696512), (8, 10234448), (14, 5848256), (16, 5117224), (23, 3559808), (28, 2924128), (29, 2823296), (32, 2558612), (46, 1779904), (56, 1462064), (58, 1411648), (64, 1279306), (92, 889952), (112, 731032), (116, 705824), (128, 639653), (137, 597632), (161, 508544), (184, 444976), (203, 403328), (224, 365516), (232, 352912), (274, 298816), (322, 254272), (368, 222488), (406, 201664), (448, 182758), (464, 176456), (548, 149408), (644, 127136), (667, 122752), (736, 111244), (812, 100832), (896, 91379), (928, 88228), (959, 85376), (1096, 74704), (1288, 63568), (1334, 61376), (1472, 55622), (1624, 50416), (1856, 44114), (1918, 42688), (2192, 37352), (2576, 31784), (2668, 30688), (2944, 27811), (3151, 25984), (3248, 25208), (3712, 22057), (3836, 21344), (3973, 20608), (4384, 18676), (4669, 17536), (5152, 15892), (5336, 15344), (6302, 12992), (6496, 12604), (7672, 10672), (7946, 10304), (8768, 9338)]