20171505840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84047941}}^1$

素因数の和:84047957

約数の個数: 40

約数和(自身を含む): 62531668848

約数和(自身を除く): 42360163008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84047941, 168095882, 252143823, 336191764, 420239705, 504287646, 672383528, 840479410, 1008575292, 1260719115, 1344767056, 1680958820, 2017150584, 2521438230, 3361917640, 4034301168, 5042876460, 6723835280, 10085752920, 20171505840]

約数ペア:

[(1, 20171505840), (2, 10085752920), (3, 6723835280), (4, 5042876460), (5, 4034301168), (6, 3361917640), (8, 2521438230), (10, 2017150584), (12, 1680958820), (15, 1344767056), (16, 1260719115), (20, 1008575292), (24, 840479410), (30, 672383528), (40, 504287646), (48, 420239705), (60, 336191764), (80, 252143823), (120, 168095882), (240, 84047941)]