201780810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2647}}^1$

素因数の和:2689

約数の個数: 144

約数和(自身を含む): 659288448

約数和(自身を除く): 457507638

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, 2647, 3465, 3630, 4235, 5082, 5294, 5445, 6930, 7623, 7941, 8470, 10890, 12705, 13235, 15246, 15882, 18529, 23823, 25410, 26470, 29117, 37058, 38115, 39705, 47646, 55587, 58234, 76230, 79410, 87351, 92645, 111174, 119115, 145585, 166761, 174702, 185290, 203819, 238230, 262053, 277935, 291170, 320287, 333522, 407638, 436755, 524106, 555870, 611457, 640574, 833805, 873510, 960861, 1019095, 1222914, 1310265, 1601435, 1667610, 1834371, 1921722, 2038190, 2242009, 2620530, 2882583, 3057285, 3202870, 3668742, 4484018, 4804305, 5765166, 6114570, 6726027, 9171855, 9608610, 11210045, 13452054, 14412915, 18343710, 20178081, 22420090, 28825830, 33630135, 40356162, 67260270, 100890405, 201780810]

約数ペア:

[(1, 201780810), (2, 100890405), (3, 67260270), (5, 40356162), (6, 33630135), (7, 28825830), (9, 22420090), (10, 20178081), (11, 18343710), (14, 14412915), (15, 13452054), (18, 11210045), (21, 9608610), (22, 9171855), (30, 6726027), (33, 6114570), (35, 5765166), (42, 4804305), (45, 4484018), (55, 3668742), (63, 3202870), (66, 3057285), (70, 2882583), (77, 2620530), (90, 2242009), (99, 2038190), (105, 1921722), (110, 1834371), (121, 1667610), (126, 1601435), (154, 1310265), (165, 1222914), (198, 1019095), (210, 960861), (231, 873510), (242, 833805), (315, 640574), (330, 611457), (363, 555870), (385, 524106), (462, 436755), (495, 407638), (605, 333522), (630, 320287), (693, 291170), (726, 277935), (770, 262053), (847, 238230), (990, 203819), (1089, 185290), (1155, 174702), (1210, 166761), (1386, 145585), (1694, 119115), (1815, 111174), (2178, 92645), (2310, 87351), (2541, 79410), (2647, 76230), (3465, 58234), (3630, 55587), (4235, 47646), (5082, 39705), (5294, 38115), (5445, 37058), (6930, 29117), (7623, 26470), (7941, 25410), (8470, 23823), (10890, 18529), (12705, 15882), (13235, 15246)]