647856768

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 192

約数和(自身を含む): 1903932000

約数和(自身を除く): 1256075232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 67, 78, 96, 104, 128, 134, 149, 156, 169, 192, 201, 208, 268, 298, 312, 338, 384, 402, 416, 447, 507, 536, 596, 624, 676, 804, 832, 871, 894, 1014, 1072, 1192, 1248, 1352, 1608, 1664, 1742, 1788, 1937, 2028, 2144, 2384, 2496, 2613, 2704, 3216, 3484, 3576, 3874, 4056, 4288, 4768, 4992, 5226, 5408, 5811, 6432, 6968, 7152, 7748, 8112, 8576, 9536, 9983, 10452, 10816, 11323, 11622, 12864, 13936, 14304, 15496, 16224, 19072, 19966, 20904, 21632, 22646, 23244, 25181, 25728, 27872, 28608, 29949, 30992, 32448, 33969, 39932, 41808, 45292, 46488, 50362, 55744, 57216, 59898, 61984, 64896, 67938, 75543, 79864, 83616, 90584, 92976, 100724, 111488, 119796, 123968, 129779, 135876, 151086, 159728, 167232, 181168, 185952, 201448, 239592, 247936, 259558, 271752, 302172, 319456, 334464, 362336, 371904, 389337, 402896, 479184, 519116, 543504, 604344, 638912, 724672, 743808, 778674, 805792, 958368, 1038232, 1087008, 1208688, 1277824, 1449344, 1557348, 1611584, 1687127, 1916736, 2076464, 2174016, 2417376, 3114696, 3223168, 3374254, 3833472, 4152928, 4348032, 4834752, 5061381, 6229392, 6748508, 8305856, 9669504, 10122762, 12458784, 13497016, 16611712, 20245524, 24917568, 26994032, 40491048, 49835136, 53988064, 80982096, 107976128, 161964192, 215952256, 323928384, 647856768]

約数ペア:

[(1, 647856768), (2, 323928384), (3, 215952256), (4, 161964192), (6, 107976128), (8, 80982096), (12, 53988064), (13, 49835136), (16, 40491048), (24, 26994032), (26, 24917568), (32, 20245524), (39, 16611712), (48, 13497016), (52, 12458784), (64, 10122762), (67, 9669504), (78, 8305856), (96, 6748508), (104, 6229392), (128, 5061381), (134, 4834752), (149, 4348032), (156, 4152928), (169, 3833472), (192, 3374254), (201, 3223168), (208, 3114696), (268, 2417376), (298, 2174016), (312, 2076464), (338, 1916736), (384, 1687127), (402, 1611584), (416, 1557348), (447, 1449344), (507, 1277824), (536, 1208688), (596, 1087008), (624, 1038232), (676, 958368), (804, 805792), (832, 778674), (871, 743808), (894, 724672), (1014, 638912), (1072, 604344), (1192, 543504), (1248, 519116), (1352, 479184), (1608, 402896), (1664, 389337), (1742, 371904), (1788, 362336), (1937, 334464), (2028, 319456), (2144, 302172), (2384, 271752), (2496, 259558), (2613, 247936), (2704, 239592), (3216, 201448), (3484, 185952), (3576, 181168), (3874, 167232), (4056, 159728), (4288, 151086), (4768, 135876), (4992, 129779), (5226, 123968), (5408, 119796), (5811, 111488), (6432, 100724), (6968, 92976), (7152, 90584), (7748, 83616), (8112, 79864), (8576, 75543), (9536, 67938), (9983, 64896), (10452, 61984), (10816, 59898), (11323, 57216), (11622, 55744), (12864, 50362), (13936, 46488), (14304, 45292), (15496, 41808), (16224, 39932), (19072, 33969), (19966, 32448), (20904, 30992), (21632, 29949), (22646, 28608), (23244, 27872), (25181, 25728)]