205346520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{570407}}^1$

素因数の和:570424

約数の個数: 48

約数和(自身を含む): 667377360

約数和(自身を除く): 462030840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 570407, 1140814, 1711221, 2281628, 2852035, 3422442, 4563256, 5133663, 5704070, 6844884, 8556105, 10267326, 11408140, 13689768, 17112210, 20534652, 22816280, 25668315, 34224420, 41069304, 51336630, 68448840, 102673260, 205346520]

約数ペア:

[(1, 205346520), (2, 102673260), (3, 68448840), (4, 51336630), (5, 41069304), (6, 34224420), (8, 25668315), (9, 22816280), (10, 20534652), (12, 17112210), (15, 13689768), (18, 11408140), (20, 10267326), (24, 8556105), (30, 6844884), (36, 5704070), (40, 5133663), (45, 4563256), (60, 3422442), (72, 2852035), (90, 2281628), (120, 1711221), (180, 1140814), (360, 570407)]