2758020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 7909440

約数和(自身を除く): 5151420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1069, 1290, 2138, 2580, 3207, 4276, 5345, 6414, 10690, 12828, 16035, 21380, 32070, 45967, 64140, 91934, 137901, 183868, 229835, 275802, 459670, 551604, 689505, 919340, 1379010, 2758020]

約数ペア:

[(1, 2758020), (2, 1379010), (3, 919340), (4, 689505), (5, 551604), (6, 459670), (10, 275802), (12, 229835), (15, 183868), (20, 137901), (30, 91934), (43, 64140), (60, 45967), (86, 32070), (129, 21380), (172, 16035), (215, 12828), (258, 10690), (430, 6414), (516, 5345), (645, 4276), (860, 3207), (1069, 2580), (1290, 2138)]