638505480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5320879}}^1$

素因数の和:5320893

約数の個数: 32

約数和(自身を含む): 1915516800

約数和(自身を除く): 1277011320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5320879, 10641758, 15962637, 21283516, 26604395, 31925274, 42567032, 53208790, 63850548, 79813185, 106417580, 127701096, 159626370, 212835160, 319252740, 638505480]

約数ペア:

[(1, 638505480), (2, 319252740), (3, 212835160), (4, 159626370), (5, 127701096), (6, 106417580), (8, 79813185), (10, 63850548), (12, 53208790), (15, 42567032), (20, 31925274), (24, 26604395), (30, 21283516), (40, 15962637), (60, 10641758), (120, 5320879)]