18645720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{155381}}^1$

素因数の和:155395

約数の個数: 32

約数和(自身を含む): 55937520

約数和(自身を除く): 37291800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 155381, 310762, 466143, 621524, 776905, 932286, 1243048, 1553810, 1864572, 2330715, 3107620, 3729144, 4661430, 6215240, 9322860, 18645720]

約数ペア:

[(1, 18645720), (2, 9322860), (3, 6215240), (4, 4661430), (5, 3729144), (6, 3107620), (8, 2330715), (10, 1864572), (12, 1553810), (15, 1243048), (20, 932286), (24, 776905), (30, 621524), (40, 466143), (60, 310762), (120, 155381)]