51487440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{214531}}^1$

素因数の和:214547

約数の個数: 40

約数和(自身を含む): 159611808

約数和(自身を除く): 108124368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 214531, 429062, 643593, 858124, 1072655, 1287186, 1716248, 2145310, 2574372, 3217965, 3432496, 4290620, 5148744, 6435930, 8581240, 10297488, 12871860, 17162480, 25743720, 51487440]

約数ペア:

[(1, 51487440), (2, 25743720), (3, 17162480), (4, 12871860), (5, 10297488), (6, 8581240), (8, 6435930), (10, 5148744), (12, 4290620), (15, 3432496), (16, 3217965), (20, 2574372), (24, 2145310), (30, 1716248), (40, 1287186), (48, 1072655), (60, 858124), (80, 643593), (120, 429062), (240, 214531)]