16219620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 33313500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 359, 502, 718, 753, 1004, 1077, 1255, 1436, 1506, 1795, 2154, 2259, 2510, 3012, 3231, 3590, 3765, 4308, 4518, 5020, 5385, 6462, 7180, 7530, 9036, 10770, 11295, 12924, 15060, 16155, 21540, 22590, 32310, 45180, 64620, 90109, 180218, 270327, 360436, 450545, 540654, 810981, 901090, 1081308, 1351635, 1621962, 1802180, 2703270, 3243924, 4054905, 5406540, 8109810, 16219620]

約数ペア:

[(1, 16219620), (2, 8109810), (3, 5406540), (4, 4054905), (5, 3243924), (6, 2703270), (9, 1802180), (10, 1621962), (12, 1351635), (15, 1081308), (18, 901090), (20, 810981), (30, 540654), (36, 450545), (45, 360436), (60, 270327), (90, 180218), (180, 90109), (251, 64620), (359, 45180), (502, 32310), (718, 22590), (753, 21540), (1004, 16155), (1077, 15060), (1255, 12924), (1436, 11295), (1506, 10770), (1795, 9036), (2154, 7530), (2259, 7180), (2510, 6462), (3012, 5385), (3231, 5020), (3590, 4518), (3765, 4308)]