256556280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2137969}}^1$

素因数の和:2137983

約数の個数: 32

約数和(自身を含む): 769669200

約数和(自身を除く): 513112920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2137969, 4275938, 6413907, 8551876, 10689845, 12827814, 17103752, 21379690, 25655628, 32069535, 42759380, 51311256, 64139070, 85518760, 128278140, 256556280]

約数ペア:

[(1, 256556280), (2, 128278140), (3, 85518760), (4, 64139070), (5, 51311256), (6, 42759380), (8, 32069535), (10, 25655628), (12, 21379690), (15, 17103752), (20, 12827814), (24, 10689845), (30, 8551876), (40, 6413907), (60, 4275938), (120, 2137969)]