64406520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{178907}}^1$

素因数の和:178924

約数の個数: 48

約数和(自身を含む): 209322360

約数和(自身を除く): 144915840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 178907, 357814, 536721, 715628, 894535, 1073442, 1431256, 1610163, 1789070, 2146884, 2683605, 3220326, 3578140, 4293768, 5367210, 6440652, 7156280, 8050815, 10734420, 12881304, 16101630, 21468840, 32203260, 64406520]

約数ペア:

[(1, 64406520), (2, 32203260), (3, 21468840), (4, 16101630), (5, 12881304), (6, 10734420), (8, 8050815), (9, 7156280), (10, 6440652), (12, 5367210), (15, 4293768), (18, 3578140), (20, 3220326), (24, 2683605), (30, 2146884), (36, 1789070), (40, 1610163), (45, 1431256), (60, 1073442), (72, 894535), (90, 715628), (120, 536721), (180, 357814), (360, 178907)]