81999258880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{3943}}^1$

素因数の和:4193

約数の個数: 288

約数和(自身を含む): 246102571008

約数和(自身を除く): 164103312128

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 211, 220, 224, 256, 280, 308, 320, 352, 385, 422, 440, 448, 560, 616, 640, 704, 770, 844, 880, 896, 1055, 1120, 1232, 1280, 1408, 1477, 1540, 1688, 1760, 1792, 2110, 2240, 2321, 2464, 2816, 2954, 3080, 3376, 3520, 3943, 4220, 4480, 4642, 4928, 5908, 6160, 6752, 7040, 7385, 7886, 8440, 8960, 9284, 9856, 11605, 11816, 12320, 13504, 14080, 14770, 15772, 16247, 16880, 18568, 19712, 19715, 23210, 23632, 24640, 27008, 27601, 29540, 31544, 32494, 33760, 37136, 39430, 43373, 46420, 47264, 49280, 54016, 55202, 59080, 63088, 64988, 67520, 74272, 78860, 81235, 86746, 92840, 94528, 98560, 110404, 118160, 126176, 129976, 135040, 138005, 148544, 157720, 162470, 173492, 185680, 189056, 216865, 220808, 236320, 252352, 259952, 270080, 276010, 297088, 303611, 315440, 324940, 346984, 371360, 378112, 433730, 441616, 472640, 504704, 519904, 552020, 594176, 607222, 630880, 649880, 693968, 742720, 831973, 867460, 883232, 945280, 1009408, 1039808, 1104040, 1214444, 1261760, 1299760, 1387936, 1485440, 1518055, 1663946, 1734920, 1766464, 1890560, 2079616, 2208080, 2428888, 2523520, 2599520, 2775872, 2970880, 3036110, 3327892, 3469840, 3532928, 4159232, 4159865, 4416160, 4857776, 5047040, 5199040, 5551744, 5823811, 6072220, 6655784, 6939680, 7065856, 8319730, 8832320, 9151703, 9715552, 10398080, 11103488, 11647622, 12144440, 13311568, 13879360, 16639460, 17664640, 18303406, 19431104, 20796160, 23295244, 24288880, 26623136, 27758720, 29119055, 33278920, 35329280, 36606812, 38862208, 45758515, 46590488, 48577760, 53246272, 55517440, 58238110, 64061921, 66557840, 73213624, 77724416, 91517030, 93180976, 97155520, 106492544, 116476220, 128123842, 133115680, 146427248, 183034060, 186361952, 194311040, 212985088, 232952440, 256247684, 266231360, 292854496, 320309605, 366068120, 372723904, 388622080, 465904880, 512495368, 532462720, 585708992, 640619210, 732136240, 745447808, 931809760, 1024990736, 1064925440, 1171417984, 1281238420, 1464272480, 1490895616, 1863619520, 2049981472, 2342835968, 2562476840, 2928544960, 3727239040, 4099962944, 5124953680, 5857089920, 7454478080, 8199925888, 10249907360, 11714179840, 16399851776, 20499814720, 40999629440, 81999258880]

約数ペア:

[(1, 81999258880), (2, 40999629440), (4, 20499814720), (5, 16399851776), (7, 11714179840), (8, 10249907360), (10, 8199925888), (11, 7454478080), (14, 5857089920), (16, 5124953680), (20, 4099962944), (22, 3727239040), (28, 2928544960), (32, 2562476840), (35, 2342835968), (40, 2049981472), (44, 1863619520), (55, 1490895616), (56, 1464272480), (64, 1281238420), (70, 1171417984), (77, 1064925440), (80, 1024990736), (88, 931809760), (110, 745447808), (112, 732136240), (128, 640619210), (140, 585708992), (154, 532462720), (160, 512495368), (176, 465904880), (211, 388622080), (220, 372723904), (224, 366068120), (256, 320309605), (280, 292854496), (308, 266231360), (320, 256247684), (352, 232952440), (385, 212985088), (422, 194311040), (440, 186361952), (448, 183034060), (560, 146427248), (616, 133115680), (640, 128123842), (704, 116476220), (770, 106492544), (844, 97155520), (880, 93180976), (896, 91517030), (1055, 77724416), (1120, 73213624), (1232, 66557840), (1280, 64061921), (1408, 58238110), (1477, 55517440), (1540, 53246272), (1688, 48577760), (1760, 46590488), (1792, 45758515), (2110, 38862208), (2240, 36606812), (2321, 35329280), (2464, 33278920), (2816, 29119055), (2954, 27758720), (3080, 26623136), (3376, 24288880), (3520, 23295244), (3943, 20796160), (4220, 19431104), (4480, 18303406), (4642, 17664640), (4928, 16639460), (5908, 13879360), (6160, 13311568), (6752, 12144440), (7040, 11647622), (7385, 11103488), (7886, 10398080), (8440, 9715552), (8960, 9151703), (9284, 8832320), (9856, 8319730), (11605, 7065856), (11816, 6939680), (12320, 6655784), (13504, 6072220), (14080, 5823811), (14770, 5551744), (15772, 5199040), (16247, 5047040), (16880, 4857776), (18568, 4416160), (19712, 4159865), (19715, 4159232), (23210, 3532928), (23632, 3469840), (24640, 3327892), (27008, 3036110), (27601, 2970880), (29540, 2775872), (31544, 2599520), (32494, 2523520), (33760, 2428888), (37136, 2208080), (39430, 2079616), (43373, 1890560), (46420, 1766464), (47264, 1734920), (49280, 1663946), (54016, 1518055), (55202, 1485440), (59080, 1387936), (63088, 1299760), (64988, 1261760), (67520, 1214444), (74272, 1104040), (78860, 1039808), (81235, 1009408), (86746, 945280), (92840, 883232), (94528, 867460), (98560, 831973), (110404, 742720), (118160, 693968), (126176, 649880), (129976, 630880), (135040, 607222), (138005, 594176), (148544, 552020), (157720, 519904), (162470, 504704), (173492, 472640), (185680, 441616), (189056, 433730), (216865, 378112), (220808, 371360), (236320, 346984), (252352, 324940), (259952, 315440), (270080, 303611), (276010, 297088)]