81745524

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 180

約数和(自身を含む): 262637760

約数和(自身を除く): 180892236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 49, 54, 57, 63, 76, 81, 84, 98, 108, 114, 126, 133, 147, 162, 171, 189, 196, 228, 252, 266, 271, 294, 324, 342, 378, 399, 441, 513, 532, 542, 567, 588, 684, 756, 798, 813, 882, 931, 1026, 1084, 1134, 1197, 1323, 1539, 1596, 1626, 1764, 1862, 1897, 2052, 2268, 2394, 2439, 2646, 2793, 3078, 3252, 3591, 3724, 3794, 3969, 4788, 4878, 5149, 5292, 5586, 5691, 6156, 7182, 7317, 7588, 7938, 8379, 9756, 10298, 10773, 11172, 11382, 13279, 14364, 14634, 15447, 15876, 16758, 17073, 20596, 21546, 21951, 22764, 25137, 26558, 29268, 30894, 33516, 34146, 36043, 39837, 43092, 43902, 46341, 50274, 51219, 53116, 61788, 68292, 72086, 75411, 79674, 87804, 92682, 100548, 102438, 108129, 119511, 139023, 144172, 150822, 153657, 159348, 185364, 204876, 216258, 239022, 252301, 278046, 301644, 307314, 324387, 358533, 417069, 432516, 478044, 504602, 556092, 614628, 648774, 717066, 756903, 834138, 973161, 1009204, 1075599, 1297548, 1434132, 1513806, 1668276, 1946322, 2151198, 2270709, 2919483, 3027612, 3892644, 4302396, 4541418, 5838966, 6812127, 9082836, 11677932, 13624254, 20436381, 27248508, 40872762, 81745524]

約数ペア:

[(1, 81745524), (2, 40872762), (3, 27248508), (4, 20436381), (6, 13624254), (7, 11677932), (9, 9082836), (12, 6812127), (14, 5838966), (18, 4541418), (19, 4302396), (21, 3892644), (27, 3027612), (28, 2919483), (36, 2270709), (38, 2151198), (42, 1946322), (49, 1668276), (54, 1513806), (57, 1434132), (63, 1297548), (76, 1075599), (81, 1009204), (84, 973161), (98, 834138), (108, 756903), (114, 717066), (126, 648774), (133, 614628), (147, 556092), (162, 504602), (171, 478044), (189, 432516), (196, 417069), (228, 358533), (252, 324387), (266, 307314), (271, 301644), (294, 278046), (324, 252301), (342, 239022), (378, 216258), (399, 204876), (441, 185364), (513, 159348), (532, 153657), (542, 150822), (567, 144172), (588, 139023), (684, 119511), (756, 108129), (798, 102438), (813, 100548), (882, 92682), (931, 87804), (1026, 79674), (1084, 75411), (1134, 72086), (1197, 68292), (1323, 61788), (1539, 53116), (1596, 51219), (1626, 50274), (1764, 46341), (1862, 43902), (1897, 43092), (2052, 39837), (2268, 36043), (2394, 34146), (2439, 33516), (2646, 30894), (2793, 29268), (3078, 26558), (3252, 25137), (3591, 22764), (3724, 21951), (3794, 21546), (3969, 20596), (4788, 17073), (4878, 16758), (5149, 15876), (5292, 15447), (5586, 14634), (5691, 14364), (6156, 13279), (7182, 11382), (7317, 11172), (7588, 10773), (7938, 10298), (8379, 9756)]