120554840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{430553}}^1$

素因数の和:430571

約数の個数: 32

約数和(自身を含む): 309998880

約数和(自身を除く): 189444040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 430553, 861106, 1722212, 2152765, 3013871, 3444424, 4305530, 6027742, 8611060, 12055484, 15069355, 17222120, 24110968, 30138710, 60277420, 120554840]

約数ペア:

[(1, 120554840), (2, 60277420), (4, 30138710), (5, 24110968), (7, 17222120), (8, 15069355), (10, 12055484), (14, 8611060), (20, 6027742), (28, 4305530), (35, 3444424), (40, 3013871), (56, 2152765), (70, 1722212), (140, 861106), (280, 430553)]