81501184

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 88

約数和(自身を含む): 176860800

約数和(自身を除く): 95359616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 71, 76, 118, 128, 142, 152, 236, 256, 284, 304, 472, 512, 568, 608, 944, 1024, 1121, 1136, 1216, 1349, 1888, 2242, 2272, 2432, 2698, 3776, 4189, 4484, 4544, 4864, 5396, 7552, 8378, 8968, 9088, 9728, 10792, 15104, 16756, 17936, 18176, 19456, 21584, 30208, 33512, 35872, 36352, 43168, 60416, 67024, 71744, 72704, 79591, 86336, 134048, 143488, 159182, 172672, 268096, 286976, 318364, 345344, 536192, 573952, 636728, 690688, 1072384, 1147904, 1273456, 1381376, 2144768, 2546912, 4289536, 5093824, 10187648, 20375296, 40750592, 81501184]

約数ペア:

[(1, 81501184), (2, 40750592), (4, 20375296), (8, 10187648), (16, 5093824), (19, 4289536), (32, 2546912), (38, 2144768), (59, 1381376), (64, 1273456), (71, 1147904), (76, 1072384), (118, 690688), (128, 636728), (142, 573952), (152, 536192), (236, 345344), (256, 318364), (284, 286976), (304, 268096), (472, 172672), (512, 159182), (568, 143488), (608, 134048), (944, 86336), (1024, 79591), (1121, 72704), (1136, 71744), (1216, 67024), (1349, 60416), (1888, 43168), (2242, 36352), (2272, 35872), (2432, 33512), (2698, 30208), (3776, 21584), (4189, 19456), (4484, 18176), (4544, 17936), (4864, 16756), (5396, 15104), (7552, 10792), (8378, 9728), (8968, 9088)]