81131232

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 192

約数和(自身を含む): 270273024

約数和(自身を除く): 189141792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 37, 39, 42, 48, 52, 56, 74, 78, 84, 91, 96, 104, 111, 112, 148, 156, 168, 182, 208, 222, 224, 251, 259, 273, 296, 312, 336, 364, 416, 444, 481, 502, 518, 546, 592, 624, 672, 728, 753, 777, 888, 962, 1004, 1036, 1092, 1184, 1248, 1443, 1456, 1506, 1554, 1757, 1776, 1924, 2008, 2072, 2184, 2886, 2912, 3012, 3108, 3263, 3367, 3514, 3552, 3848, 4016, 4144, 4368, 5271, 5772, 6024, 6216, 6526, 6734, 7028, 7696, 8032, 8288, 8736, 9287, 9789, 10101, 10542, 11544, 12048, 12432, 13052, 13468, 14056, 15392, 18574, 19578, 20202, 21084, 22841, 23088, 24096, 24864, 26104, 26936, 27861, 28112, 37148, 39156, 40404, 42168, 45682, 46176, 52208, 53872, 55722, 56224, 65009, 68523, 74296, 78312, 80808, 84336, 91364, 104416, 107744, 111444, 120731, 130018, 137046, 148592, 156624, 161616, 168672, 182728, 195027, 222888, 241462, 260036, 274092, 297184, 313248, 323232, 362193, 365456, 390054, 445776, 482924, 520072, 548184, 724386, 730912, 780108, 845117, 891552, 965848, 1040144, 1096368, 1448772, 1560216, 1690234, 1931696, 2080288, 2192736, 2535351, 2897544, 3120432, 3380468, 3863392, 5070702, 5795088, 6240864, 6760936, 10141404, 11590176, 13521872, 20282808, 27043744, 40565616, 81131232]

約数ペア:

[(1, 81131232), (2, 40565616), (3, 27043744), (4, 20282808), (6, 13521872), (7, 11590176), (8, 10141404), (12, 6760936), (13, 6240864), (14, 5795088), (16, 5070702), (21, 3863392), (24, 3380468), (26, 3120432), (28, 2897544), (32, 2535351), (37, 2192736), (39, 2080288), (42, 1931696), (48, 1690234), (52, 1560216), (56, 1448772), (74, 1096368), (78, 1040144), (84, 965848), (91, 891552), (96, 845117), (104, 780108), (111, 730912), (112, 724386), (148, 548184), (156, 520072), (168, 482924), (182, 445776), (208, 390054), (222, 365456), (224, 362193), (251, 323232), (259, 313248), (273, 297184), (296, 274092), (312, 260036), (336, 241462), (364, 222888), (416, 195027), (444, 182728), (481, 168672), (502, 161616), (518, 156624), (546, 148592), (592, 137046), (624, 130018), (672, 120731), (728, 111444), (753, 107744), (777, 104416), (888, 91364), (962, 84336), (1004, 80808), (1036, 78312), (1092, 74296), (1184, 68523), (1248, 65009), (1443, 56224), (1456, 55722), (1506, 53872), (1554, 52208), (1757, 46176), (1776, 45682), (1924, 42168), (2008, 40404), (2072, 39156), (2184, 37148), (2886, 28112), (2912, 27861), (3012, 26936), (3108, 26104), (3263, 24864), (3367, 24096), (3514, 23088), (3552, 22841), (3848, 21084), (4016, 20202), (4144, 19578), (4368, 18574), (5271, 15392), (5772, 14056), (6024, 13468), (6216, 13052), (6526, 12432), (6734, 12048), (7028, 11544), (7696, 10542), (8032, 10101), (8288, 9789), (8736, 9287)]