81559170

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3923}}^1$

素因数の和:3957

約数の個数: 128

約数和(自身を含む): 271226880

約数和(自身を除く): 189667710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 135, 154, 165, 189, 198, 210, 231, 270, 297, 315, 330, 378, 385, 462, 495, 594, 630, 693, 770, 945, 990, 1155, 1386, 1485, 1890, 2079, 2310, 2970, 3465, 3923, 4158, 6930, 7846, 10395, 11769, 19615, 20790, 23538, 27461, 35307, 39230, 43153, 54922, 58845, 70614, 82383, 86306, 105921, 117690, 129459, 137305, 164766, 176535, 211842, 215765, 247149, 258918, 274610, 302071, 353070, 388377, 411915, 431530, 494298, 529605, 604142, 647295, 741447, 776754, 823830, 906213, 1059210, 1165131, 1235745, 1294590, 1482894, 1510355, 1812426, 1941885, 2330262, 2471490, 2718639, 3020710, 3707235, 3883770, 4531065, 5437278, 5825655, 7414470, 8155917, 9062130, 11651310, 13593195, 16311834, 27186390, 40779585, 81559170]

約数ペア:

[(1, 81559170), (2, 40779585), (3, 27186390), (5, 16311834), (6, 13593195), (7, 11651310), (9, 9062130), (10, 8155917), (11, 7414470), (14, 5825655), (15, 5437278), (18, 4531065), (21, 3883770), (22, 3707235), (27, 3020710), (30, 2718639), (33, 2471490), (35, 2330262), (42, 1941885), (45, 1812426), (54, 1510355), (55, 1482894), (63, 1294590), (66, 1235745), (70, 1165131), (77, 1059210), (90, 906213), (99, 823830), (105, 776754), (110, 741447), (126, 647295), (135, 604142), (154, 529605), (165, 494298), (189, 431530), (198, 411915), (210, 388377), (231, 353070), (270, 302071), (297, 274610), (315, 258918), (330, 247149), (378, 215765), (385, 211842), (462, 176535), (495, 164766), (594, 137305), (630, 129459), (693, 117690), (770, 105921), (945, 86306), (990, 82383), (1155, 70614), (1386, 58845), (1485, 54922), (1890, 43153), (2079, 39230), (2310, 35307), (2970, 27461), (3465, 23538), (3923, 20790), (4158, 19615), (6930, 11769), (7846, 10395)]