261477180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1103}}^1$

素因数の和:1560

約数の個数: 96

約数和(自身を含む): 816076800

約数和(自身を除く): 554599620

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, 439, 540, 878, 1103, 1317, 1756, 2195, 2206, 2634, 3309, 3951, 4390, 4412, 5268, 5515, 6585, 6618, 7902, 8780, 9927, 11030, 11853, 13170, 13236, 15804, 16545, 19755, 19854, 22060, 23706, 26340, 29781, 33090, 39510, 39708, 47412, 49635, 59265, 59562, 66180, 79020, 99270, 118530, 119124, 148905, 198540, 237060, 297810, 484217, 595620, 968434, 1452651, 1936868, 2421085, 2905302, 4357953, 4842170, 5810604, 7263255, 8715906, 9684340, 13073859, 14526510, 17431812, 21789765, 26147718, 29053020, 43579530, 52295436, 65369295, 87159060, 130738590, 261477180]

約数ペア:

[(1, 261477180), (2, 130738590), (3, 87159060), (4, 65369295), (5, 52295436), (6, 43579530), (9, 29053020), (10, 26147718), (12, 21789765), (15, 17431812), (18, 14526510), (20, 13073859), (27, 9684340), (30, 8715906), (36, 7263255), (45, 5810604), (54, 4842170), (60, 4357953), (90, 2905302), (108, 2421085), (135, 1936868), (180, 1452651), (270, 968434), (439, 595620), (540, 484217), (878, 297810), (1103, 237060), (1317, 198540), (1756, 148905), (2195, 119124), (2206, 118530), (2634, 99270), (3309, 79020), (3951, 66180), (4390, 59562), (4412, 59265), (5268, 49635), (5515, 47412), (6585, 39708), (6618, 39510), (7902, 33090), (8780, 29781), (9927, 26340), (11030, 23706), (11853, 22060), (13170, 19854), (13236, 19755), (15804, 16545)]