120647140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{72679}}^1$

素因数の和:72771

約数の個数: 24

約数和(自身を含む): 256415040

約数和(自身を除く): 135767900

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 72679, 145358, 290716, 363395, 726790, 1453580, 6032357, 12064714, 24129428, 30161785, 60323570, 120647140]

約数ペア:

[(1, 120647140), (2, 60323570), (4, 30161785), (5, 24129428), (10, 12064714), (20, 6032357), (83, 1453580), (166, 726790), (332, 363395), (415, 290716), (830, 145358), (1660, 72679)]