154987840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{69191}}^1$

素因数の和:69215

約数の個数: 56

約数和(自身を含む): 421794432

約数和(自身を除く): 266806592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 69191, 138382, 276764, 345955, 484337, 553528, 691910, 968674, 1107056, 1383820, 1937348, 2214112, 2421685, 2767640, 3874696, 4428224, 4843370, 5535280, 7749392, 9686740, 11070560, 15498784, 19373480, 22141120, 30997568, 38746960, 77493920, 154987840]

約数ペア:

[(1, 154987840), (2, 77493920), (4, 38746960), (5, 30997568), (7, 22141120), (8, 19373480), (10, 15498784), (14, 11070560), (16, 9686740), (20, 7749392), (28, 5535280), (32, 4843370), (35, 4428224), (40, 3874696), (56, 2767640), (64, 2421685), (70, 2214112), (80, 1937348), (112, 1383820), (140, 1107056), (160, 968674), (224, 691910), (280, 553528), (320, 484337), (448, 345955), (560, 276764), (1120, 138382), (2240, 69191)]