72518580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{402881}}^1$

素因数の和:402896

約数の個数: 36

約数和(自身を含む): 219973572

約数和(自身を除く): 147454992

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 402881, 805762, 1208643, 1611524, 2014405, 2417286, 3625929, 4028810, 4834572, 6043215, 7251858, 8057620, 12086430, 14503716, 18129645, 24172860, 36259290, 72518580]

約数ペア:

[(1, 72518580), (2, 36259290), (3, 24172860), (4, 18129645), (5, 14503716), (6, 12086430), (9, 8057620), (10, 7251858), (12, 6043215), (15, 4834572), (18, 4028810), (20, 3625929), (30, 2417286), (36, 2014405), (45, 1611524), (60, 1208643), (90, 805762), (180, 402881)]