31339260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4107

約数の個数: 72

約数和(自身を含む): 97297200

約数和(自身を除く): 65957940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 4049, 7740, 8098, 12147, 16196, 20245, 24294, 36441, 40490, 48588, 60735, 72882, 80980, 121470, 145764, 174107, 182205, 242940, 348214, 364410, 522321, 696428, 728820, 870535, 1044642, 1566963, 1741070, 2089284, 2611605, 3133926, 3482140, 5223210, 6267852, 7834815, 10446420, 15669630, 31339260]

約数ペア:

[(1, 31339260), (2, 15669630), (3, 10446420), (4, 7834815), (5, 6267852), (6, 5223210), (9, 3482140), (10, 3133926), (12, 2611605), (15, 2089284), (18, 1741070), (20, 1566963), (30, 1044642), (36, 870535), (43, 728820), (45, 696428), (60, 522321), (86, 364410), (90, 348214), (129, 242940), (172, 182205), (180, 174107), (215, 145764), (258, 121470), (387, 80980), (430, 72882), (516, 60735), (645, 48588), (774, 40490), (860, 36441), (1290, 24294), (1548, 20245), (1935, 16196), (2580, 12147), (3870, 8098), (4049, 7740)]