1728520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 3945600

約数和(自身を除く): 2217080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 547, 632, 790, 1094, 1580, 2188, 2735, 3160, 4376, 5470, 10940, 21880, 43213, 86426, 172852, 216065, 345704, 432130, 864260, 1728520]

約数ペア:

[(1, 1728520), (2, 864260), (4, 432130), (5, 345704), (8, 216065), (10, 172852), (20, 86426), (40, 43213), (79, 21880), (158, 10940), (316, 5470), (395, 4376), (547, 3160), (632, 2735), (790, 2188), (1094, 1580)]