663060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 1907136

約数和(自身を除く): 1244076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 257, 258, 430, 514, 516, 645, 771, 860, 1028, 1285, 1290, 1542, 2570, 2580, 3084, 3855, 5140, 7710, 11051, 15420, 22102, 33153, 44204, 55255, 66306, 110510, 132612, 165765, 221020, 331530, 663060]

約数ペア:

[(1, 663060), (2, 331530), (3, 221020), (4, 165765), (5, 132612), (6, 110510), (10, 66306), (12, 55255), (15, 44204), (20, 33153), (30, 22102), (43, 15420), (60, 11051), (86, 7710), (129, 5140), (172, 3855), (215, 3084), (257, 2580), (258, 2570), (430, 1542), (514, 1290), (516, 1285), (645, 1028), (771, 860)]