256056570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3359}}^1$

素因数の和:3401

約数の個数: 144

約数和(自身を含む): 836559360

約数和(自身を除く): 580502790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 315, 330, 363, 385, 462, 495, 605, 630, 693, 726, 770, 847, 990, 1089, 1155, 1210, 1386, 1694, 1815, 2178, 2310, 2541, 3359, 3465, 3630, 4235, 5082, 5445, 6718, 6930, 7623, 8470, 10077, 10890, 12705, 15246, 16795, 20154, 23513, 25410, 30231, 33590, 36949, 38115, 47026, 50385, 60462, 70539, 73898, 76230, 100770, 110847, 117565, 141078, 151155, 184745, 211617, 221694, 235130, 258643, 302310, 332541, 352695, 369490, 406439, 423234, 517286, 554235, 665082, 705390, 775929, 812878, 1058085, 1108470, 1219317, 1293215, 1551858, 1662705, 2032195, 2116170, 2327787, 2438634, 2586430, 2845073, 3325410, 3657951, 3879645, 4064390, 4655574, 5690146, 6096585, 7315902, 7759290, 8535219, 11638935, 12193170, 14225365, 17070438, 18289755, 23277870, 25605657, 28450730, 36579510, 42676095, 51211314, 85352190, 128028285, 256056570]

約数ペア:

[(1, 256056570), (2, 128028285), (3, 85352190), (5, 51211314), (6, 42676095), (7, 36579510), (9, 28450730), (10, 25605657), (11, 23277870), (14, 18289755), (15, 17070438), (18, 14225365), (21, 12193170), (22, 11638935), (30, 8535219), (33, 7759290), (35, 7315902), (42, 6096585), (45, 5690146), (55, 4655574), (63, 4064390), (66, 3879645), (70, 3657951), (77, 3325410), (90, 2845073), (99, 2586430), (105, 2438634), (110, 2327787), (121, 2116170), (126, 2032195), (154, 1662705), (165, 1551858), (198, 1293215), (210, 1219317), (231, 1108470), (242, 1058085), (315, 812878), (330, 775929), (363, 705390), (385, 665082), (462, 554235), (495, 517286), (605, 423234), (630, 406439), (693, 369490), (726, 352695), (770, 332541), (847, 302310), (990, 258643), (1089, 235130), (1155, 221694), (1210, 211617), (1386, 184745), (1694, 151155), (1815, 141078), (2178, 117565), (2310, 110847), (2541, 100770), (3359, 76230), (3465, 73898), (3630, 70539), (4235, 60462), (5082, 50385), (5445, 47026), (6718, 38115), (6930, 36949), (7623, 33590), (8470, 30231), (10077, 25410), (10890, 23513), (12705, 20154), (15246, 16795)]