16103920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 43300800

約数和(自身を除く): 27196880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 193, 280, 298, 386, 560, 596, 745, 772, 965, 1043, 1192, 1351, 1490, 1544, 1930, 2086, 2384, 2702, 2980, 3088, 3860, 4172, 5215, 5404, 5960, 6755, 7720, 8344, 10430, 10808, 11920, 13510, 15440, 16688, 20860, 21616, 27020, 28757, 41720, 54040, 57514, 83440, 108080, 115028, 143785, 201299, 230056, 287570, 402598, 460112, 575140, 805196, 1006495, 1150280, 1610392, 2012990, 2300560, 3220784, 4025980, 8051960, 16103920]

約数ペア:

[(1, 16103920), (2, 8051960), (4, 4025980), (5, 3220784), (7, 2300560), (8, 2012990), (10, 1610392), (14, 1150280), (16, 1006495), (20, 805196), (28, 575140), (35, 460112), (40, 402598), (56, 287570), (70, 230056), (80, 201299), (112, 143785), (140, 115028), (149, 108080), (193, 83440), (280, 57514), (298, 54040), (386, 41720), (560, 28757), (596, 27020), (745, 21616), (772, 20860), (965, 16688), (1043, 15440), (1192, 13510), (1351, 11920), (1490, 10808), (1544, 10430), (1930, 8344), (2086, 7720), (2384, 6755), (2702, 5960), (2980, 5404), (3088, 5215), (3860, 4172)]