221661440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 288

約数和(自身を含む): 717002496

約数和(自身を除く): 495341056

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 128, 130, 140, 143, 154, 160, 173, 176, 182, 208, 220, 224, 256, 260, 280, 286, 308, 320, 346, 352, 364, 385, 416, 440, 448, 455, 520, 560, 572, 616, 640, 692, 704, 715, 728, 770, 832, 865, 880, 896, 910, 1001, 1040, 1120, 1144, 1211, 1232, 1280, 1384, 1408, 1430, 1456, 1540, 1664, 1730, 1760, 1792, 1820, 1903, 2002, 2080, 2240, 2249, 2288, 2422, 2464, 2768, 2816, 2860, 2912, 3080, 3328, 3460, 3520, 3640, 3806, 4004, 4160, 4480, 4498, 4576, 4844, 4928, 5005, 5536, 5720, 5824, 6055, 6160, 6920, 7040, 7280, 7612, 8008, 8320, 8960, 8996, 9152, 9515, 9688, 9856, 10010, 11072, 11245, 11440, 11648, 12110, 12320, 13321, 13840, 14080, 14560, 15224, 15743, 16016, 16640, 17992, 18304, 19030, 19376, 19712, 20020, 22144, 22490, 22880, 23296, 24220, 24640, 24739, 26642, 27680, 29120, 30448, 31486, 32032, 35984, 36608, 38060, 38752, 40040, 44288, 44980, 45760, 48440, 49280, 49478, 53284, 55360, 58240, 60896, 62972, 64064, 66605, 71968, 76120, 77504, 78715, 80080, 89960, 91520, 96880, 98560, 98956, 106568, 110720, 116480, 121792, 123695, 125944, 128128, 133210, 143936, 152240, 155008, 157430, 160160, 173173, 179920, 183040, 193760, 197912, 213136, 221440, 243584, 247390, 251888, 256256, 266420, 287872, 304480, 310016, 314860, 320320, 346346, 359840, 387520, 395824, 426272, 487168, 494780, 503776, 532840, 575744, 608960, 629720, 640640, 692692, 719680, 775040, 791648, 852544, 865865, 989560, 1007552, 1065680, 1217920, 1259440, 1281280, 1385384, 1439360, 1550080, 1583296, 1705088, 1731730, 1979120, 2015104, 2131360, 2435840, 2518880, 2770768, 2878720, 3166592, 3410176, 3463460, 3958240, 4030208, 4262720, 5037760, 5541536, 6333184, 6926920, 7916480, 8525440, 10075520, 11083072, 13853840, 15832960, 17050880, 20151040, 22166144, 27707680, 31665920, 44332288, 55415360, 110830720, 221661440]

約数ペア:

[(1, 221661440), (2, 110830720), (4, 55415360), (5, 44332288), (7, 31665920), (8, 27707680), (10, 22166144), (11, 20151040), (13, 17050880), (14, 15832960), (16, 13853840), (20, 11083072), (22, 10075520), (26, 8525440), (28, 7916480), (32, 6926920), (35, 6333184), (40, 5541536), (44, 5037760), (52, 4262720), (55, 4030208), (56, 3958240), (64, 3463460), (65, 3410176), (70, 3166592), (77, 2878720), (80, 2770768), (88, 2518880), (91, 2435840), (104, 2131360), (110, 2015104), (112, 1979120), (128, 1731730), (130, 1705088), (140, 1583296), (143, 1550080), (154, 1439360), (160, 1385384), (173, 1281280), (176, 1259440), (182, 1217920), (208, 1065680), (220, 1007552), (224, 989560), (256, 865865), (260, 852544), (280, 791648), (286, 775040), (308, 719680), (320, 692692), (346, 640640), (352, 629720), (364, 608960), (385, 575744), (416, 532840), (440, 503776), (448, 494780), (455, 487168), (520, 426272), (560, 395824), (572, 387520), (616, 359840), (640, 346346), (692, 320320), (704, 314860), (715, 310016), (728, 304480), (770, 287872), (832, 266420), (865, 256256), (880, 251888), (896, 247390), (910, 243584), (1001, 221440), (1040, 213136), (1120, 197912), (1144, 193760), (1211, 183040), (1232, 179920), (1280, 173173), (1384, 160160), (1408, 157430), (1430, 155008), (1456, 152240), (1540, 143936), (1664, 133210), (1730, 128128), (1760, 125944), (1792, 123695), (1820, 121792), (1903, 116480), (2002, 110720), (2080, 106568), (2240, 98956), (2249, 98560), (2288, 96880), (2422, 91520), (2464, 89960), (2768, 80080), (2816, 78715), (2860, 77504), (2912, 76120), (3080, 71968), (3328, 66605), (3460, 64064), (3520, 62972), (3640, 60896), (3806, 58240), (4004, 55360), (4160, 53284), (4480, 49478), (4498, 49280), (4576, 48440), (4844, 45760), (4928, 44980), (5005, 44288), (5536, 40040), (5720, 38752), (5824, 38060), (6055, 36608), (6160, 35984), (6920, 32032), (7040, 31486), (7280, 30448), (7612, 29120), (8008, 27680), (8320, 26642), (8960, 24739), (8996, 24640), (9152, 24220), (9515, 23296), (9688, 22880), (9856, 22490), (10010, 22144), (11072, 20020), (11245, 19712), (11440, 19376), (11648, 19030), (12110, 18304), (12320, 17992), (13321, 16640), (13840, 16016), (14080, 15743), (14560, 15224)]