15707036120

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{242243}}^1$

素因数の和:243875

約数の個数: 32

約数和(自身を含む): 35362779120

約数和(自身を除く): 19655743000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 3242, 6484, 8105, 12968, 16210, 32420, 64840, 242243, 484486, 968972, 1211215, 1937944, 2422430, 4844860, 9689720, 392675903, 785351806, 1570703612, 1963379515, 3141407224, 3926759030, 7853518060, 15707036120]

約数ペア:

[(1, 15707036120), (2, 7853518060), (4, 3926759030), (5, 3141407224), (8, 1963379515), (10, 1570703612), (20, 785351806), (40, 392675903), (1621, 9689720), (3242, 4844860), (6484, 2422430), (8105, 1937944), (12968, 1211215), (16210, 968972), (32420, 484486), (64840, 242243)]