78438960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{108943}}^1$

素因数の和:108962

約数の個数: 60

約数和(自身を含む): 263426592

約数和(自身を除く): 184987632

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, 108943, 217886, 326829, 435772, 544715, 653658, 871544, 980487, 1089430, 1307316, 1634145, 1743088, 1960974, 2178860, 2614632, 3268290, 3921948, 4357720, 4902435, 5229264, 6536580, 7843896, 8715440, 9804870, 13073160, 15687792, 19609740, 26146320, 39219480, 78438960]

約数ペア:

[(1, 78438960), (2, 39219480), (3, 26146320), (4, 19609740), (5, 15687792), (6, 13073160), (8, 9804870), (9, 8715440), (10, 7843896), (12, 6536580), (15, 5229264), (16, 4902435), (18, 4357720), (20, 3921948), (24, 3268290), (30, 2614632), (36, 2178860), (40, 1960974), (45, 1743088), (48, 1634145), (60, 1307316), (72, 1089430), (80, 980487), (90, 871544), (120, 653658), (144, 544715), (180, 435772), (240, 326829), (360, 217886), (720, 108943)]