121222720

素因数分解:

$2^6\times 5^1\times {\mathrm{378821}}^1$

素因数の和:378838

約数の個数: 28

約数和(自身を含む): 288662364

約数和(自身を除く): 167439644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 378821, 757642, 1515284, 1894105, 3030568, 3788210, 6061136, 7576420, 12122272, 15152840, 24244544, 30305680, 60611360, 121222720]

約数ペア:

[(1, 121222720), (2, 60611360), (4, 30305680), (5, 24244544), (8, 15152840), (10, 12122272), (16, 7576420), (20, 6061136), (32, 3788210), (40, 3030568), (64, 1894105), (80, 1515284), (160, 757642), (320, 378821)]