80991414

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 224078400

約数和(自身を除く): 143086986

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 49, 54, 57, 63, 81, 98, 114, 126, 133, 147, 162, 171, 179, 189, 243, 266, 294, 342, 358, 378, 399, 441, 486, 513, 537, 567, 798, 882, 931, 1026, 1074, 1134, 1197, 1253, 1323, 1539, 1611, 1701, 1862, 2394, 2506, 2646, 2793, 3078, 3222, 3401, 3402, 3591, 3759, 3969, 4617, 4833, 5586, 6802, 7182, 7518, 7938, 8379, 8771, 9234, 9666, 10203, 10773, 11277, 11907, 14499, 16758, 17542, 20406, 21546, 22554, 23807, 23814, 25137, 26313, 28998, 30609, 32319, 33831, 43497, 47614, 50274, 52626, 61218, 64638, 67662, 71421, 75411, 78939, 86994, 91827, 101493, 142842, 150822, 157878, 166649, 183654, 202986, 214263, 226233, 236817, 275481, 304479, 333298, 428526, 452466, 473634, 499947, 550962, 608958, 642789, 710451, 826443, 999894, 1285578, 1420902, 1499841, 1652886, 1928367, 2131353, 2999682, 3856734, 4262706, 4499523, 5785101, 8999046, 11570202, 13498569, 26997138, 40495707, 80991414]

約数ペア:

[(1, 80991414), (2, 40495707), (3, 26997138), (6, 13498569), (7, 11570202), (9, 8999046), (14, 5785101), (18, 4499523), (19, 4262706), (21, 3856734), (27, 2999682), (38, 2131353), (42, 1928367), (49, 1652886), (54, 1499841), (57, 1420902), (63, 1285578), (81, 999894), (98, 826443), (114, 710451), (126, 642789), (133, 608958), (147, 550962), (162, 499947), (171, 473634), (179, 452466), (189, 428526), (243, 333298), (266, 304479), (294, 275481), (342, 236817), (358, 226233), (378, 214263), (399, 202986), (441, 183654), (486, 166649), (513, 157878), (537, 150822), (567, 142842), (798, 101493), (882, 91827), (931, 86994), (1026, 78939), (1074, 75411), (1134, 71421), (1197, 67662), (1253, 64638), (1323, 61218), (1539, 52626), (1611, 50274), (1701, 47614), (1862, 43497), (2394, 33831), (2506, 32319), (2646, 30609), (2793, 28998), (3078, 26313), (3222, 25137), (3401, 23814), (3402, 23807), (3591, 22554), (3759, 21546), (3969, 20406), (4617, 17542), (4833, 16758), (5586, 14499), (6802, 11907), (7182, 11277), (7518, 10773), (7938, 10203), (8379, 9666), (8771, 9234)]