91821680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 226607520

約数和(自身を除く): 134785840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 304, 313, 380, 386, 626, 760, 772, 965, 1252, 1520, 1544, 1565, 1930, 2504, 3088, 3130, 3667, 3860, 5008, 5947, 6260, 7334, 7720, 11894, 12520, 14668, 15440, 18335, 23788, 25040, 29336, 29735, 36670, 47576, 58672, 59470, 60409, 73340, 95152, 118940, 120818, 146680, 237880, 241636, 293360, 302045, 475760, 483272, 604090, 966544, 1147771, 1208180, 2295542, 2416360, 4591084, 4832720, 5738855, 9182168, 11477710, 18364336, 22955420, 45910840, 91821680]

約数ペア:

[(1, 91821680), (2, 45910840), (4, 22955420), (5, 18364336), (8, 11477710), (10, 9182168), (16, 5738855), (19, 4832720), (20, 4591084), (38, 2416360), (40, 2295542), (76, 1208180), (80, 1147771), (95, 966544), (152, 604090), (190, 483272), (193, 475760), (304, 302045), (313, 293360), (380, 241636), (386, 237880), (626, 146680), (760, 120818), (772, 118940), (965, 95152), (1252, 73340), (1520, 60409), (1544, 59470), (1565, 58672), (1930, 47576), (2504, 36670), (3088, 29735), (3130, 29336), (3667, 25040), (3860, 23788), (5008, 18335), (5947, 15440), (6260, 14668), (7334, 12520), (7720, 11894)]