263237580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{487477}}^1$

素因数の和:487495

約数の個数: 48

約数和(自身を含む): 818963040

約数和(自身を除く): 555725460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 487477, 974954, 1462431, 1949908, 2437385, 2924862, 4387293, 4874770, 5849724, 7312155, 8774586, 9749540, 13161879, 14624310, 17549172, 21936465, 26323758, 29248620, 43872930, 52647516, 65809395, 87745860, 131618790, 263237580]

約数ペア:

[(1, 263237580), (2, 131618790), (3, 87745860), (4, 65809395), (5, 52647516), (6, 43872930), (9, 29248620), (10, 26323758), (12, 21936465), (15, 17549172), (18, 14624310), (20, 13161879), (27, 9749540), (30, 8774586), (36, 7312155), (45, 5849724), (54, 4874770), (60, 4387293), (90, 2924862), (108, 2437385), (135, 1949908), (180, 1462431), (270, 974954), (540, 487477)]