81372564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 258061440

約数和(自身を除く): 176688876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 59, 63, 78, 84, 91, 117, 118, 126, 156, 177, 182, 234, 236, 252, 273, 354, 364, 413, 421, 468, 531, 546, 708, 767, 819, 826, 842, 1062, 1092, 1239, 1263, 1534, 1638, 1652, 1684, 2124, 2301, 2478, 2526, 2947, 3068, 3276, 3717, 3789, 4602, 4956, 5052, 5369, 5473, 5894, 6903, 7434, 7578, 8841, 9204, 10738, 10946, 11788, 13806, 14868, 15156, 16107, 16419, 17682, 21476, 21892, 24839, 26523, 27612, 32214, 32838, 35364, 38311, 48321, 49257, 49678, 53046, 64428, 65676, 74517, 76622, 96642, 98514, 99356, 106092, 114933, 149034, 153244, 173873, 193284, 197028, 223551, 229866, 298068, 322907, 344799, 347746, 447102, 459732, 521619, 645814, 689598, 695492, 894204, 968721, 1043238, 1291628, 1379196, 1564857, 1937442, 2086476, 2260349, 2906163, 3129714, 3874884, 4520698, 5812326, 6259428, 6781047, 9041396, 11624652, 13562094, 20343141, 27124188, 40686282, 81372564]

約数ペア:

[(1, 81372564), (2, 40686282), (3, 27124188), (4, 20343141), (6, 13562094), (7, 11624652), (9, 9041396), (12, 6781047), (13, 6259428), (14, 5812326), (18, 4520698), (21, 3874884), (26, 3129714), (28, 2906163), (36, 2260349), (39, 2086476), (42, 1937442), (52, 1564857), (59, 1379196), (63, 1291628), (78, 1043238), (84, 968721), (91, 894204), (117, 695492), (118, 689598), (126, 645814), (156, 521619), (177, 459732), (182, 447102), (234, 347746), (236, 344799), (252, 322907), (273, 298068), (354, 229866), (364, 223551), (413, 197028), (421, 193284), (468, 173873), (531, 153244), (546, 149034), (708, 114933), (767, 106092), (819, 99356), (826, 98514), (842, 96642), (1062, 76622), (1092, 74517), (1239, 65676), (1263, 64428), (1534, 53046), (1638, 49678), (1652, 49257), (1684, 48321), (2124, 38311), (2301, 35364), (2478, 32838), (2526, 32214), (2947, 27612), (3068, 26523), (3276, 24839), (3717, 21892), (3789, 21476), (4602, 17682), (4956, 16419), (5052, 16107), (5369, 15156), (5473, 14868), (5894, 13806), (6903, 11788), (7434, 10946), (7578, 10738), (8841, 9204)]