156780258280

素因数分解:

$2^3\times 5^1\times {\mathrm{2957}}^1\times {\mathrm{1325501}}^1$

素因数の和:1328469

約数の個数: 32

約数和(自身を含む): 352875142440

約数和(自身を除く): 196094884160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2957, 5914, 11828, 14785, 23656, 29570, 59140, 118280, 1325501, 2651002, 5302004, 6627505, 10604008, 13255010, 26510020, 53020040, 3919506457, 7839012914, 15678025828, 19597532285, 31356051656, 39195064570, 78390129140, 156780258280]

約数ペア:

[(1, 156780258280), (2, 78390129140), (4, 39195064570), (5, 31356051656), (8, 19597532285), (10, 15678025828), (20, 7839012914), (40, 3919506457), (2957, 53020040), (5914, 26510020), (11828, 13255010), (14785, 10604008), (23656, 6627505), (29570, 5302004), (59140, 2651002), (118280, 1325501)]