261616140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2371}}^1$

素因数の和:2999

約数の個数: 72

約数和(自身を含む): 795198768

約数和(自身を除く): 533582628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 613, 1226, 1839, 2371, 2452, 3065, 3678, 4742, 5517, 6130, 7113, 7356, 9195, 9484, 11034, 11855, 12260, 14226, 18390, 21339, 22068, 23710, 27585, 28452, 35565, 36780, 42678, 47420, 55170, 71130, 85356, 106695, 110340, 142260, 213390, 426780, 1453423, 2906846, 4360269, 5813692, 7267115, 8720538, 13080807, 14534230, 17441076, 21801345, 26161614, 29068460, 43602690, 52323228, 65404035, 87205380, 130808070, 261616140]

約数ペア:

[(1, 261616140), (2, 130808070), (3, 87205380), (4, 65404035), (5, 52323228), (6, 43602690), (9, 29068460), (10, 26161614), (12, 21801345), (15, 17441076), (18, 14534230), (20, 13080807), (30, 8720538), (36, 7267115), (45, 5813692), (60, 4360269), (90, 2906846), (180, 1453423), (613, 426780), (1226, 213390), (1839, 142260), (2371, 110340), (2452, 106695), (3065, 85356), (3678, 71130), (4742, 55170), (5517, 47420), (6130, 42678), (7113, 36780), (7356, 35565), (9195, 28452), (9484, 27585), (11034, 23710), (11855, 22068), (12260, 21339), (14226, 18390)]