161171280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{223849}}^1$

素因数の和:223868

約数の個数: 60

約数和(自身を含む): 541269300

約数和(自身を除く): 380098020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 223849, 447698, 671547, 895396, 1119245, 1343094, 1790792, 2014641, 2238490, 2686188, 3357735, 3581584, 4029282, 4476980, 5372376, 6715470, 8058564, 8953960, 10073205, 10744752, 13430940, 16117128, 17907920, 20146410, 26861880, 32234256, 40292820, 53723760, 80585640, 161171280]

約数ペア:

[(1, 161171280), (2, 80585640), (3, 53723760), (4, 40292820), (5, 32234256), (6, 26861880), (8, 20146410), (9, 17907920), (10, 16117128), (12, 13430940), (15, 10744752), (16, 10073205), (18, 8953960), (20, 8058564), (24, 6715470), (30, 5372376), (36, 4476980), (40, 4029282), (45, 3581584), (48, 3357735), (60, 2686188), (72, 2238490), (80, 2014641), (90, 1790792), (120, 1343094), (144, 1119245), (180, 895396), (240, 671547), (360, 447698), (720, 223849)]