80919636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 221344704

約数和(自身を除く): 140425068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 521, 602, 903, 1042, 1204, 1563, 1806, 1849, 2084, 3126, 3612, 3647, 3698, 5547, 6252, 7294, 7396, 10941, 11094, 12943, 14588, 21882, 22188, 22403, 25886, 38829, 43764, 44806, 51772, 67209, 77658, 89612, 134418, 155316, 156821, 268836, 313642, 470463, 627284, 940926, 963329, 1881852, 1926658, 2889987, 3853316, 5779974, 6743303, 11559948, 13486606, 20229909, 26973212, 40459818, 80919636]

約数ペア:

[(1, 80919636), (2, 40459818), (3, 26973212), (4, 20229909), (6, 13486606), (7, 11559948), (12, 6743303), (14, 5779974), (21, 3853316), (28, 2889987), (42, 1926658), (43, 1881852), (84, 963329), (86, 940926), (129, 627284), (172, 470463), (258, 313642), (301, 268836), (516, 156821), (521, 155316), (602, 134418), (903, 89612), (1042, 77658), (1204, 67209), (1563, 51772), (1806, 44806), (1849, 43764), (2084, 38829), (3126, 25886), (3612, 22403), (3647, 22188), (3698, 21882), (5547, 14588), (6252, 12943), (7294, 11094), (7396, 10941)]