157880240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1097}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 421526592

約数和(自身を除く): 263646352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 1028, 1097, 1285, 1799, 2056, 2194, 2570, 3598, 4112, 4388, 5140, 5485, 7196, 7679, 8776, 8995, 10280, 10970, 14392, 15358, 17552, 17990, 20560, 21940, 28784, 30716, 35980, 38395, 43880, 61432, 71960, 76790, 87760, 122864, 143920, 153580, 281929, 307160, 563858, 614320, 1127716, 1409645, 1973503, 2255432, 2819290, 3947006, 4510864, 5638580, 7894012, 9867515, 11277160, 15788024, 19735030, 22554320, 31576048, 39470060, 78940120, 157880240]

約数ペア:

[(1, 157880240), (2, 78940120), (4, 39470060), (5, 31576048), (7, 22554320), (8, 19735030), (10, 15788024), (14, 11277160), (16, 9867515), (20, 7894012), (28, 5638580), (35, 4510864), (40, 3947006), (56, 2819290), (70, 2255432), (80, 1973503), (112, 1409645), (140, 1127716), (257, 614320), (280, 563858), (514, 307160), (560, 281929), (1028, 153580), (1097, 143920), (1285, 122864), (1799, 87760), (2056, 76790), (2194, 71960), (2570, 61432), (3598, 43880), (4112, 38395), (4388, 35980), (5140, 30716), (5485, 28784), (7196, 21940), (7679, 20560), (8776, 17990), (8995, 17552), (10280, 15358), (10970, 14392)]