12490860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{509}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 35128800

約数和(自身を除く): 22637940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 509, 818, 1018, 1227, 1527, 1636, 2036, 2045, 2454, 2545, 3054, 4090, 4908, 5090, 6108, 6135, 7635, 8180, 10180, 12270, 15270, 24540, 30540, 208181, 416362, 624543, 832724, 1040905, 1249086, 2081810, 2498172, 3122715, 4163620, 6245430, 12490860]

約数ペア:

[(1, 12490860), (2, 6245430), (3, 4163620), (4, 3122715), (5, 2498172), (6, 2081810), (10, 1249086), (12, 1040905), (15, 832724), (20, 624543), (30, 416362), (60, 208181), (409, 30540), (509, 24540), (818, 15270), (1018, 12270), (1227, 10180), (1527, 8180), (1636, 7635), (2036, 6135), (2045, 6108), (2454, 5090), (2545, 4908), (3054, 4090)]