71728128

素因数分解:

$2^{10}\times 3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 132

約数和(自身を含む): 213100888

約数和(自身を除く): 141372760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 128, 129, 144, 172, 181, 192, 256, 258, 288, 344, 362, 384, 387, 512, 516, 543, 576, 688, 724, 768, 774, 1024, 1032, 1086, 1152, 1376, 1448, 1536, 1548, 1629, 2064, 2172, 2304, 2752, 2896, 3072, 3096, 3258, 4128, 4344, 4608, 5504, 5792, 6192, 6516, 7783, 8256, 8688, 9216, 11008, 11584, 12384, 13032, 15566, 16512, 17376, 22016, 23168, 23349, 24768, 26064, 31132, 33024, 34752, 44032, 46336, 46698, 49536, 52128, 62264, 66048, 69504, 70047, 92672, 93396, 99072, 104256, 124528, 132096, 139008, 140094, 185344, 186792, 198144, 208512, 249056, 278016, 280188, 373584, 396288, 417024, 498112, 556032, 560376, 747168, 834048, 996224, 1120752, 1494336, 1668096, 1992448, 2241504, 2988672, 3984896, 4483008, 5977344, 7969792, 8966016, 11954688, 17932032, 23909376, 35864064, 71728128]

約数ペア:

[(1, 71728128), (2, 35864064), (3, 23909376), (4, 17932032), (6, 11954688), (8, 8966016), (9, 7969792), (12, 5977344), (16, 4483008), (18, 3984896), (24, 2988672), (32, 2241504), (36, 1992448), (43, 1668096), (48, 1494336), (64, 1120752), (72, 996224), (86, 834048), (96, 747168), (128, 560376), (129, 556032), (144, 498112), (172, 417024), (181, 396288), (192, 373584), (256, 280188), (258, 278016), (288, 249056), (344, 208512), (362, 198144), (384, 186792), (387, 185344), (512, 140094), (516, 139008), (543, 132096), (576, 124528), (688, 104256), (724, 99072), (768, 93396), (774, 92672), (1024, 70047), (1032, 69504), (1086, 66048), (1152, 62264), (1376, 52128), (1448, 49536), (1536, 46698), (1548, 46336), (1629, 44032), (2064, 34752), (2172, 33024), (2304, 31132), (2752, 26064), (2896, 24768), (3072, 23349), (3096, 23168), (3258, 22016), (4128, 17376), (4344, 16512), (4608, 15566), (5504, 13032), (5792, 12384), (6192, 11584), (6516, 11008), (7783, 9216), (8256, 8688)]