81110484

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 216

約数和(自身を含む): 268396128

約数和(自身を除く): 187285644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 81, 84, 91, 98, 108, 117, 126, 131, 147, 156, 162, 182, 189, 196, 234, 243, 252, 262, 273, 294, 324, 351, 364, 378, 393, 441, 468, 486, 524, 546, 567, 588, 637, 702, 756, 786, 819, 882, 917, 972, 1053, 1092, 1134, 1179, 1274, 1323, 1404, 1572, 1638, 1701, 1703, 1764, 1834, 1911, 2106, 2268, 2358, 2457, 2548, 2646, 2751, 3159, 3276, 3402, 3406, 3537, 3668, 3822, 3969, 4212, 4716, 4914, 5109, 5292, 5502, 5733, 6318, 6419, 6804, 6812, 7074, 7371, 7644, 7938, 8253, 9828, 10218, 10611, 11004, 11466, 11907, 11921, 12636, 12838, 14148, 14742, 15327, 15876, 16506, 17199, 19257, 20436, 21222, 22113, 22932, 23814, 23842, 24759, 25676, 29484, 30654, 31833, 33012, 34398, 35763, 38514, 42444, 44226, 45981, 47628, 47684, 49518, 51597, 57771, 61308, 63666, 68796, 71526, 74277, 77028, 83447, 88452, 91962, 99036, 103194, 107289, 115542, 127332, 137943, 143052, 148554, 154791, 166894, 173313, 183924, 206388, 214578, 222831, 231084, 250341, 275886, 297108, 309582, 321867, 333788, 346626, 413829, 429156, 445662, 500682, 519939, 551772, 619164, 643734, 693252, 751023, 827658, 891324, 965601, 1001364, 1039878, 1287468, 1502046, 1559817, 1655316, 1931202, 2079756, 2253069, 2896803, 3004092, 3119634, 3862404, 4506138, 5793606, 6239268, 6759207, 9012276, 11587212, 13518414, 20277621, 27036828, 40555242, 81110484]

約数ペア:

[(1, 81110484), (2, 40555242), (3, 27036828), (4, 20277621), (6, 13518414), (7, 11587212), (9, 9012276), (12, 6759207), (13, 6239268), (14, 5793606), (18, 4506138), (21, 3862404), (26, 3119634), (27, 3004092), (28, 2896803), (36, 2253069), (39, 2079756), (42, 1931202), (49, 1655316), (52, 1559817), (54, 1502046), (63, 1287468), (78, 1039878), (81, 1001364), (84, 965601), (91, 891324), (98, 827658), (108, 751023), (117, 693252), (126, 643734), (131, 619164), (147, 551772), (156, 519939), (162, 500682), (182, 445662), (189, 429156), (196, 413829), (234, 346626), (243, 333788), (252, 321867), (262, 309582), (273, 297108), (294, 275886), (324, 250341), (351, 231084), (364, 222831), (378, 214578), (393, 206388), (441, 183924), (468, 173313), (486, 166894), (524, 154791), (546, 148554), (567, 143052), (588, 137943), (637, 127332), (702, 115542), (756, 107289), (786, 103194), (819, 99036), (882, 91962), (917, 88452), (972, 83447), (1053, 77028), (1092, 74277), (1134, 71526), (1179, 68796), (1274, 63666), (1323, 61308), (1404, 57771), (1572, 51597), (1638, 49518), (1701, 47684), (1703, 47628), (1764, 45981), (1834, 44226), (1911, 42444), (2106, 38514), (2268, 35763), (2358, 34398), (2457, 33012), (2548, 31833), (2646, 30654), (2751, 29484), (3159, 25676), (3276, 24759), (3402, 23842), (3406, 23814), (3537, 22932), (3668, 22113), (3822, 21222), (3969, 20436), (4212, 19257), (4716, 17199), (4914, 16506), (5109, 15876), (5292, 15327), (5502, 14742), (5733, 14148), (6318, 12838), (6419, 12636), (6804, 11921), (6812, 11907), (7074, 11466), (7371, 11004), (7644, 10611), (7938, 10218), (8253, 9828)]