38420520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{907}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 115715520

約数和(自身を除く): 77295000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 706, 907, 1059, 1412, 1765, 1814, 2118, 2721, 2824, 3530, 3628, 4236, 4535, 5295, 5442, 7060, 7256, 8472, 9070, 10590, 10884, 13605, 14120, 18140, 21180, 21768, 27210, 36280, 42360, 54420, 108840, 320171, 640342, 960513, 1280684, 1600855, 1921026, 2561368, 3201710, 3842052, 4802565, 6403420, 7684104, 9605130, 12806840, 19210260, 38420520]

約数ペア:

[(1, 38420520), (2, 19210260), (3, 12806840), (4, 9605130), (5, 7684104), (6, 6403420), (8, 4802565), (10, 3842052), (12, 3201710), (15, 2561368), (20, 1921026), (24, 1600855), (30, 1280684), (40, 960513), (60, 640342), (120, 320171), (353, 108840), (706, 54420), (907, 42360), (1059, 36280), (1412, 27210), (1765, 21768), (1814, 21180), (2118, 18140), (2721, 14120), (2824, 13605), (3530, 10884), (3628, 10590), (4236, 9070), (4535, 8472), (5295, 7256), (5442, 7060)]