123862720

素因数分解:

$2^6\times 5^1\times {\mathrm{387071}}^1$

素因数の和:387088

約数の個数: 28

約数和(自身を含む): 294948864

約数和(自身を除く): 171086144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 387071, 774142, 1548284, 1935355, 3096568, 3870710, 6193136, 7741420, 12386272, 15482840, 24772544, 30965680, 61931360, 123862720]

約数ペア:

[(1, 123862720), (2, 61931360), (4, 30965680), (5, 24772544), (8, 15482840), (10, 12386272), (16, 7741420), (20, 6193136), (32, 3870710), (40, 3096568), (64, 1935355), (80, 1548284), (160, 774142), (320, 387071)]