12940860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{215681}}^1$

素因数の和:215693

約数の個数: 24

約数和(自身を含む): 36234576

約数和(自身を除く): 23293716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 215681, 431362, 647043, 862724, 1078405, 1294086, 2156810, 2588172, 3235215, 4313620, 6470430, 12940860]

約数ペア:

[(1, 12940860), (2, 6470430), (3, 4313620), (4, 3235215), (5, 2588172), (6, 2156810), (10, 1294086), (12, 1078405), (15, 862724), (20, 647043), (30, 431362), (60, 215681)]