256085172

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 802816000

約数和(自身を除く): 546730828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 49, 54, 62, 63, 84, 93, 98, 108, 124, 126, 147, 186, 189, 196, 217, 223, 252, 279, 294, 343, 372, 378, 434, 441, 446, 558, 588, 651, 669, 686, 756, 837, 868, 882, 892, 1029, 1116, 1302, 1323, 1338, 1372, 1519, 1561, 1674, 1764, 1953, 2007, 2058, 2604, 2646, 2676, 3038, 3087, 3122, 3348, 3906, 4014, 4116, 4557, 4683, 5292, 5859, 6021, 6076, 6174, 6244, 6913, 7812, 8028, 9114, 9261, 9366, 10633, 10927, 11718, 12042, 12348, 13671, 13826, 14049, 18228, 18522, 18732, 20739, 21266, 21854, 23436, 24084, 27342, 27652, 28098, 31899, 32781, 37044, 41013, 41478, 42147, 42532, 43708, 48391, 54684, 56196, 62217, 63798, 65562, 76489, 82026, 82956, 84294, 95697, 96782, 98343, 124434, 127596, 131124, 145173, 152978, 164052, 168588, 186651, 191394, 193564, 196686, 229467, 248868, 287091, 290346, 295029, 305956, 338737, 373302, 382788, 393372, 435519, 458934, 574182, 580692, 590058, 677474, 688401, 746604, 871038, 917868, 1016211, 1148364, 1180116, 1306557, 1354948, 1376802, 1742076, 2032422, 2065203, 2371159, 2613114, 2753604, 3048633, 4064844, 4130406, 4742318, 5226228, 6097266, 7113477, 8260812, 9145899, 9484636, 12194532, 14226954, 18291798, 21340431, 28453908, 36583596, 42680862, 64021293, 85361724, 128042586, 256085172]

約数ペア:

[(1, 256085172), (2, 128042586), (3, 85361724), (4, 64021293), (6, 42680862), (7, 36583596), (9, 28453908), (12, 21340431), (14, 18291798), (18, 14226954), (21, 12194532), (27, 9484636), (28, 9145899), (31, 8260812), (36, 7113477), (42, 6097266), (49, 5226228), (54, 4742318), (62, 4130406), (63, 4064844), (84, 3048633), (93, 2753604), (98, 2613114), (108, 2371159), (124, 2065203), (126, 2032422), (147, 1742076), (186, 1376802), (189, 1354948), (196, 1306557), (217, 1180116), (223, 1148364), (252, 1016211), (279, 917868), (294, 871038), (343, 746604), (372, 688401), (378, 677474), (434, 590058), (441, 580692), (446, 574182), (558, 458934), (588, 435519), (651, 393372), (669, 382788), (686, 373302), (756, 338737), (837, 305956), (868, 295029), (882, 290346), (892, 287091), (1029, 248868), (1116, 229467), (1302, 196686), (1323, 193564), (1338, 191394), (1372, 186651), (1519, 168588), (1561, 164052), (1674, 152978), (1764, 145173), (1953, 131124), (2007, 127596), (2058, 124434), (2604, 98343), (2646, 96782), (2676, 95697), (3038, 84294), (3087, 82956), (3122, 82026), (3348, 76489), (3906, 65562), (4014, 63798), (4116, 62217), (4557, 56196), (4683, 54684), (5292, 48391), (5859, 43708), (6021, 42532), (6076, 42147), (6174, 41478), (6244, 41013), (6913, 37044), (7812, 32781), (8028, 31899), (9114, 28098), (9261, 27652), (9366, 27342), (10633, 24084), (10927, 23436), (11718, 21854), (12042, 21266), (12348, 20739), (13671, 18732), (13826, 18522), (14049, 18228)]