12850020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71389}}^1$

素因数の和:71404

約数の個数: 36

約数和(自身を含む): 38978940

約数和(自身を除く): 26128920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71389, 142778, 214167, 285556, 356945, 428334, 642501, 713890, 856668, 1070835, 1285002, 1427780, 2141670, 2570004, 3212505, 4283340, 6425010, 12850020]

約数ペア:

[(1, 12850020), (2, 6425010), (3, 4283340), (4, 3212505), (5, 2570004), (6, 2141670), (9, 1427780), (10, 1285002), (12, 1070835), (15, 856668), (18, 713890), (20, 642501), (30, 428334), (36, 356945), (45, 285556), (60, 214167), (90, 142778), (180, 71389)]