256339710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23539}}^1$

素因数の和:23574

約数の個数: 72

約数和(自身を含む): 732611880

約数和(自身を除く): 476272170

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445, 10890, 23539, 47078, 70617, 117695, 141234, 211851, 235390, 258929, 353085, 423702, 517858, 706170, 776787, 1059255, 1294645, 1553574, 2118510, 2330361, 2589290, 2848219, 3883935, 4660722, 5696438, 7767870, 8544657, 11651805, 14241095, 17089314, 23303610, 25633971, 28482190, 42723285, 51267942, 85446570, 128169855, 256339710]

約数ペア:

[(1, 256339710), (2, 128169855), (3, 85446570), (5, 51267942), (6, 42723285), (9, 28482190), (10, 25633971), (11, 23303610), (15, 17089314), (18, 14241095), (22, 11651805), (30, 8544657), (33, 7767870), (45, 5696438), (55, 4660722), (66, 3883935), (90, 2848219), (99, 2589290), (110, 2330361), (121, 2118510), (165, 1553574), (198, 1294645), (242, 1059255), (330, 776787), (363, 706170), (495, 517858), (605, 423702), (726, 353085), (990, 258929), (1089, 235390), (1210, 211851), (1815, 141234), (2178, 117695), (3630, 70617), (5445, 47078), (10890, 23539)]