138769740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{256981}}^1$

素因数の和:256999

約数の個数: 48

約数和(自身を含む): 431729760

約数和(自身を除く): 292960020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 256981, 513962, 770943, 1027924, 1284905, 1541886, 2312829, 2569810, 3083772, 3854715, 4625658, 5139620, 6938487, 7709430, 9251316, 11564145, 13876974, 15418860, 23128290, 27753948, 34692435, 46256580, 69384870, 138769740]

約数ペア:

[(1, 138769740), (2, 69384870), (3, 46256580), (4, 34692435), (5, 27753948), (6, 23128290), (9, 15418860), (10, 13876974), (12, 11564145), (15, 9251316), (18, 7709430), (20, 6938487), (27, 5139620), (30, 4625658), (36, 3854715), (45, 3083772), (54, 2569810), (60, 2312829), (90, 1541886), (108, 1284905), (135, 1027924), (180, 770943), (270, 513962), (540, 256981)]