2427780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 6963264

約数和(自身を除く): 4535484

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, 941, 1290, 1882, 2580, 2823, 3764, 4705, 5646, 9410, 11292, 14115, 18820, 28230, 40463, 56460, 80926, 121389, 161852, 202315, 242778, 404630, 485556, 606945, 809260, 1213890, 2427780]

約数ペア:

[(1, 2427780), (2, 1213890), (3, 809260), (4, 606945), (5, 485556), (6, 404630), (10, 242778), (12, 202315), (15, 161852), (20, 121389), (30, 80926), (43, 56460), (60, 40463), (86, 28230), (129, 18820), (172, 14115), (215, 11292), (258, 9410), (430, 5646), (516, 4705), (645, 3764), (860, 2823), (941, 2580), (1290, 1882)]