12988980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{72161}}^1$

素因数の和:72176

約数の個数: 36

約数和(自身を含む): 39400452

約数和(自身を除く): 26411472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 72161, 144322, 216483, 288644, 360805, 432966, 649449, 721610, 865932, 1082415, 1298898, 1443220, 2164830, 2597796, 3247245, 4329660, 6494490, 12988980]

約数ペア:

[(1, 12988980), (2, 6494490), (3, 4329660), (4, 3247245), (5, 2597796), (6, 2164830), (9, 1443220), (10, 1298898), (12, 1082415), (15, 865932), (18, 721610), (20, 649449), (30, 432966), (36, 360805), (45, 288644), (60, 216483), (90, 144322), (180, 72161)]