51440520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{428671}}^1$

素因数の和:428685

約数の個数: 32

約数和(自身を含む): 154321920

約数和(自身を除く): 102881400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 428671, 857342, 1286013, 1714684, 2143355, 2572026, 3429368, 4286710, 5144052, 6430065, 8573420, 10288104, 12860130, 17146840, 25720260, 51440520]

約数ペア:

[(1, 51440520), (2, 25720260), (3, 17146840), (4, 12860130), (5, 10288104), (6, 8573420), (8, 6430065), (10, 5144052), (12, 4286710), (15, 3429368), (20, 2572026), (24, 2143355), (30, 1714684), (40, 1286013), (60, 857342), (120, 428671)]