153437320

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{21193}}^1$

素因数の和:21385

約数の個数: 32

約数和(自身を含む): 347157720

約数和(自身を除く): 193720400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 21193, 42386, 84772, 105965, 169544, 211930, 423860, 847720, 3835933, 7671866, 15343732, 19179665, 30687464, 38359330, 76718660, 153437320]

約数ペア:

[(1, 153437320), (2, 76718660), (4, 38359330), (5, 30687464), (8, 19179665), (10, 15343732), (20, 7671866), (40, 3835933), (181, 847720), (362, 423860), (724, 211930), (905, 169544), (1448, 105965), (1810, 84772), (3620, 42386), (7240, 21193)]