128199168

素因数分解:

$2^9\times 3^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 120

約数和(自身を含む): 379181088

約数和(自身を除く): 250981920

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, 192, 256, 258, 288, 344, 384, 387, 512, 516, 576, 647, 688, 768, 774, 1032, 1152, 1294, 1376, 1536, 1548, 1941, 2064, 2304, 2588, 2752, 3096, 3882, 4128, 4608, 5176, 5504, 5823, 6192, 7764, 8256, 10352, 11008, 11646, 12384, 15528, 16512, 20704, 22016, 23292, 24768, 27821, 31056, 33024, 41408, 46584, 49536, 55642, 62112, 66048, 82816, 83463, 93168, 99072, 111284, 124224, 165632, 166926, 186336, 198144, 222568, 248448, 250389, 331264, 333852, 372672, 445136, 496896, 500778, 667704, 745344, 890272, 993792, 1001556, 1335408, 1490688, 1780544, 2003112, 2670816, 2981376, 3561088, 4006224, 5341632, 7122176, 8012448, 10683264, 14244352, 16024896, 21366528, 32049792, 42733056, 64099584, 128199168]

約数ペア:

[(1, 128199168), (2, 64099584), (3, 42733056), (4, 32049792), (6, 21366528), (8, 16024896), (9, 14244352), (12, 10683264), (16, 8012448), (18, 7122176), (24, 5341632), (32, 4006224), (36, 3561088), (43, 2981376), (48, 2670816), (64, 2003112), (72, 1780544), (86, 1490688), (96, 1335408), (128, 1001556), (129, 993792), (144, 890272), (172, 745344), (192, 667704), (256, 500778), (258, 496896), (288, 445136), (344, 372672), (384, 333852), (387, 331264), (512, 250389), (516, 248448), (576, 222568), (647, 198144), (688, 186336), (768, 166926), (774, 165632), (1032, 124224), (1152, 111284), (1294, 99072), (1376, 93168), (1536, 83463), (1548, 82816), (1941, 66048), (2064, 62112), (2304, 55642), (2588, 49536), (2752, 46584), (3096, 41408), (3882, 33024), (4128, 31056), (4608, 27821), (5176, 24768), (5504, 23292), (5823, 22016), (6192, 20704), (7764, 16512), (8256, 15528), (10352, 12384), (11008, 11646)]