80457520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{541}}^1$

素因数の和:591

約数の個数: 120

約数和(自身を含む): 221383152

約数和(自身を除く): 140925632

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 260, 286, 338, 440, 520, 541, 572, 676, 715, 845, 880, 1040, 1082, 1144, 1352, 1430, 1690, 1859, 2164, 2288, 2704, 2705, 2860, 3380, 3718, 4328, 5410, 5720, 5951, 6760, 7033, 7436, 8656, 9295, 10820, 11440, 11902, 13520, 14066, 14872, 18590, 21640, 23804, 28132, 29744, 29755, 35165, 37180, 43280, 47608, 56264, 59510, 70330, 74360, 77363, 91429, 95216, 112528, 119020, 140660, 148720, 154726, 182858, 238040, 281320, 309452, 365716, 386815, 457145, 476080, 562640, 618904, 731432, 773630, 914290, 1005719, 1237808, 1462864, 1547260, 1828580, 2011438, 3094520, 3657160, 4022876, 5028595, 6189040, 7314320, 8045752, 10057190, 16091504, 20114380, 40228760, 80457520]

約数ペア:

[(1, 80457520), (2, 40228760), (4, 20114380), (5, 16091504), (8, 10057190), (10, 8045752), (11, 7314320), (13, 6189040), (16, 5028595), (20, 4022876), (22, 3657160), (26, 3094520), (40, 2011438), (44, 1828580), (52, 1547260), (55, 1462864), (65, 1237808), (80, 1005719), (88, 914290), (104, 773630), (110, 731432), (130, 618904), (143, 562640), (169, 476080), (176, 457145), (208, 386815), (220, 365716), (260, 309452), (286, 281320), (338, 238040), (440, 182858), (520, 154726), (541, 148720), (572, 140660), (676, 119020), (715, 112528), (845, 95216), (880, 91429), (1040, 77363), (1082, 74360), (1144, 70330), (1352, 59510), (1430, 56264), (1690, 47608), (1859, 43280), (2164, 37180), (2288, 35165), (2704, 29755), (2705, 29744), (2860, 28132), (3380, 23804), (3718, 21640), (4328, 18590), (5410, 14872), (5720, 14066), (5951, 13520), (6760, 11902), (7033, 11440), (7436, 10820), (8656, 9295)]