12981960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{36061}}^1$

素因数の和:36078

約数の個数: 48

約数和(自身を含む): 42192540

約数和(自身を除く): 29210580

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, 36061, 72122, 108183, 144244, 180305, 216366, 288488, 324549, 360610, 432732, 540915, 649098, 721220, 865464, 1081830, 1298196, 1442440, 1622745, 2163660, 2596392, 3245490, 4327320, 6490980, 12981960]

約数ペア:

[(1, 12981960), (2, 6490980), (3, 4327320), (4, 3245490), (5, 2596392), (6, 2163660), (8, 1622745), (9, 1442440), (10, 1298196), (12, 1081830), (15, 865464), (18, 721220), (20, 649098), (24, 540915), (30, 432732), (36, 360610), (40, 324549), (45, 288488), (60, 216366), (72, 180305), (90, 144244), (120, 108183), (180, 72122), (360, 36061)]