1981125972

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1289}}^1$

素因数の和:1435

約数の個数: 192

約数和(自身を含む): 6241536000

約数和(自身を除く): 4260410028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 107, 108, 114, 126, 133, 171, 189, 214, 228, 252, 266, 321, 342, 378, 399, 428, 513, 532, 642, 684, 749, 756, 798, 963, 1026, 1197, 1284, 1289, 1498, 1596, 1926, 2033, 2052, 2247, 2394, 2578, 2889, 2996, 3591, 3852, 3867, 4066, 4494, 4788, 5156, 5778, 6099, 6741, 7182, 7734, 8132, 8988, 9023, 11556, 11601, 12198, 13482, 14231, 14364, 15468, 18046, 18297, 20223, 23202, 24396, 24491, 26964, 27069, 28462, 34803, 36092, 36594, 40446, 42693, 46404, 48982, 54138, 54891, 56924, 69606, 73188, 73473, 80892, 81207, 85386, 97964, 108276, 109782, 128079, 137923, 139212, 146946, 162414, 170772, 171437, 219564, 220419, 243621, 256158, 275846, 293892, 324828, 342874, 384237, 413769, 440838, 487242, 512316, 514311, 551692, 661257, 685748, 768474, 827538, 881676, 965461, 974484, 1028622, 1241307, 1322514, 1536948, 1542933, 1655076, 1930922, 2057244, 2482614, 2620537, 2645028, 2896383, 3085866, 3723921, 3861844, 4628799, 4965228, 5241074, 5792766, 6171732, 7447842, 7861611, 8689149, 9257598, 10482148, 11585532, 14895684, 15723222, 17378298, 18343759, 18515196, 23584833, 26067447, 31446444, 34756596, 36687518, 47169666, 52134894, 55031277, 70754499, 73375036, 94339332, 104269788, 110062554, 141508998, 165093831, 220125108, 283017996, 330187662, 495281493, 660375324, 990562986, 1981125972]

約数ペア:

[(1, 1981125972), (2, 990562986), (3, 660375324), (4, 495281493), (6, 330187662), (7, 283017996), (9, 220125108), (12, 165093831), (14, 141508998), (18, 110062554), (19, 104269788), (21, 94339332), (27, 73375036), (28, 70754499), (36, 55031277), (38, 52134894), (42, 47169666), (54, 36687518), (57, 34756596), (63, 31446444), (76, 26067447), (84, 23584833), (107, 18515196), (108, 18343759), (114, 17378298), (126, 15723222), (133, 14895684), (171, 11585532), (189, 10482148), (214, 9257598), (228, 8689149), (252, 7861611), (266, 7447842), (321, 6171732), (342, 5792766), (378, 5241074), (399, 4965228), (428, 4628799), (513, 3861844), (532, 3723921), (642, 3085866), (684, 2896383), (749, 2645028), (756, 2620537), (798, 2482614), (963, 2057244), (1026, 1930922), (1197, 1655076), (1284, 1542933), (1289, 1536948), (1498, 1322514), (1596, 1241307), (1926, 1028622), (2033, 974484), (2052, 965461), (2247, 881676), (2394, 827538), (2578, 768474), (2889, 685748), (2996, 661257), (3591, 551692), (3852, 514311), (3867, 512316), (4066, 487242), (4494, 440838), (4788, 413769), (5156, 384237), (5778, 342874), (6099, 324828), (6741, 293892), (7182, 275846), (7734, 256158), (8132, 243621), (8988, 220419), (9023, 219564), (11556, 171437), (11601, 170772), (12198, 162414), (13482, 146946), (14231, 139212), (14364, 137923), (15468, 128079), (18046, 109782), (18297, 108276), (20223, 97964), (23202, 85386), (24396, 81207), (24491, 80892), (26964, 73473), (27069, 73188), (28462, 69606), (34803, 56924), (36092, 54891), (36594, 54138), (40446, 48982), (42693, 46404)]