12957720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107981}}^1$

素因数の和:107995

約数の個数: 32

約数和(自身を含む): 38873520

約数和(自身を除く): 25915800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 107981, 215962, 323943, 431924, 539905, 647886, 863848, 1079810, 1295772, 1619715, 2159620, 2591544, 3239430, 4319240, 6478860, 12957720]

約数ペア:

[(1, 12957720), (2, 6478860), (3, 4319240), (4, 3239430), (5, 2591544), (6, 2159620), (8, 1619715), (10, 1295772), (12, 1079810), (15, 863848), (20, 647886), (24, 539905), (30, 431924), (40, 323943), (60, 215962), (120, 107981)]