165161680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 407027520

約数和(自身を除く): 241865840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 304, 380, 386, 563, 760, 772, 965, 1126, 1520, 1544, 1930, 2252, 2815, 3088, 3667, 3860, 4504, 5630, 7334, 7720, 9008, 10697, 11260, 14668, 15440, 18335, 21394, 22520, 29336, 36670, 42788, 45040, 53485, 58672, 73340, 85576, 106970, 108659, 146680, 171152, 213940, 217318, 293360, 427880, 434636, 543295, 855760, 869272, 1086590, 1738544, 2064521, 2173180, 4129042, 4346360, 8258084, 8692720, 10322605, 16516168, 20645210, 33032336, 41290420, 82580840, 165161680]

約数ペア:

[(1, 165161680), (2, 82580840), (4, 41290420), (5, 33032336), (8, 20645210), (10, 16516168), (16, 10322605), (19, 8692720), (20, 8258084), (38, 4346360), (40, 4129042), (76, 2173180), (80, 2064521), (95, 1738544), (152, 1086590), (190, 869272), (193, 855760), (304, 543295), (380, 434636), (386, 427880), (563, 293360), (760, 217318), (772, 213940), (965, 171152), (1126, 146680), (1520, 108659), (1544, 106970), (1930, 85576), (2252, 73340), (2815, 58672), (3088, 53485), (3667, 45040), (3860, 42788), (4504, 36670), (5630, 29336), (7334, 22520), (7720, 21394), (9008, 18335), (10697, 15440), (11260, 14668)]