78730020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{437389}}^1$

素因数の和:437404

約数の個数: 36

約数和(自身を含む): 238814940

約数和(自身を除く): 160084920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 437389, 874778, 1312167, 1749556, 2186945, 2624334, 3936501, 4373890, 5248668, 6560835, 7873002, 8747780, 13121670, 15746004, 19682505, 26243340, 39365010, 78730020]

約数ペア:

[(1, 78730020), (2, 39365010), (3, 26243340), (4, 19682505), (5, 15746004), (6, 13121670), (9, 8747780), (10, 7873002), (12, 6560835), (15, 5248668), (18, 4373890), (20, 3936501), (30, 2624334), (36, 2186945), (45, 1749556), (60, 1312167), (90, 874778), (180, 437389)]