15369620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 37110528

約数和(自身を除く): 21740908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 353, 622, 706, 1244, 1412, 1555, 1765, 2177, 2471, 3110, 3530, 4354, 4942, 6220, 7060, 8708, 9884, 10885, 12355, 21770, 24710, 43540, 49420, 109783, 219566, 439132, 548915, 768481, 1097830, 1536962, 2195660, 3073924, 3842405, 7684810, 15369620]

約数ペア:

[(1, 15369620), (2, 7684810), (4, 3842405), (5, 3073924), (7, 2195660), (10, 1536962), (14, 1097830), (20, 768481), (28, 548915), (35, 439132), (70, 219566), (140, 109783), (311, 49420), (353, 43540), (622, 24710), (706, 21770), (1244, 12355), (1412, 10885), (1555, 9884), (1765, 8708), (2177, 7060), (2471, 6220), (3110, 4942), (3530, 4354)]