256168000

素因数分解:

$2^6\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 224

約数和(自身を含む): 718937856

約数和(自身を除く): 462769856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 41, 44, 50, 55, 64, 71, 80, 82, 88, 100, 110, 125, 142, 160, 164, 176, 200, 205, 220, 250, 275, 284, 320, 328, 352, 355, 400, 410, 440, 451, 500, 550, 568, 656, 704, 710, 781, 800, 820, 880, 902, 1000, 1025, 1100, 1136, 1312, 1375, 1420, 1562, 1600, 1640, 1760, 1775, 1804, 2000, 2050, 2200, 2255, 2272, 2624, 2750, 2840, 2911, 3124, 3280, 3520, 3550, 3608, 3905, 4000, 4100, 4400, 4510, 4544, 5125, 5500, 5680, 5822, 6248, 6560, 7100, 7216, 7810, 8000, 8200, 8800, 8875, 9020, 10250, 11000, 11275, 11360, 11644, 12496, 13120, 14200, 14432, 14555, 15620, 16400, 17600, 17750, 18040, 19525, 20500, 22000, 22550, 22720, 23288, 24992, 28400, 28864, 29110, 31240, 32021, 32800, 35500, 36080, 39050, 41000, 44000, 45100, 46576, 49984, 56375, 56800, 58220, 62480, 64042, 65600, 71000, 72160, 72775, 78100, 82000, 88000, 90200, 93152, 97625, 112750, 113600, 116440, 124960, 128084, 142000, 144320, 145550, 156200, 160105, 164000, 180400, 186304, 195250, 225500, 232880, 249920, 256168, 284000, 291100, 312400, 320210, 328000, 360800, 363875, 390500, 451000, 465760, 512336, 568000, 582200, 624800, 640420, 721600, 727750, 781000, 800525, 902000, 931520, 1024672, 1164400, 1249600, 1280840, 1455500, 1562000, 1601050, 1804000, 2049344, 2328800, 2561680, 2911000, 3124000, 3202100, 3608000, 4002625, 4657600, 5123360, 5822000, 6248000, 6404200, 8005250, 10246720, 11644000, 12808400, 16010500, 23288000, 25616800, 32021000, 51233600, 64042000, 128084000, 256168000]

約数ペア:

[(1, 256168000), (2, 128084000), (4, 64042000), (5, 51233600), (8, 32021000), (10, 25616800), (11, 23288000), (16, 16010500), (20, 12808400), (22, 11644000), (25, 10246720), (32, 8005250), (40, 6404200), (41, 6248000), (44, 5822000), (50, 5123360), (55, 4657600), (64, 4002625), (71, 3608000), (80, 3202100), (82, 3124000), (88, 2911000), (100, 2561680), (110, 2328800), (125, 2049344), (142, 1804000), (160, 1601050), (164, 1562000), (176, 1455500), (200, 1280840), (205, 1249600), (220, 1164400), (250, 1024672), (275, 931520), (284, 902000), (320, 800525), (328, 781000), (352, 727750), (355, 721600), (400, 640420), (410, 624800), (440, 582200), (451, 568000), (500, 512336), (550, 465760), (568, 451000), (656, 390500), (704, 363875), (710, 360800), (781, 328000), (800, 320210), (820, 312400), (880, 291100), (902, 284000), (1000, 256168), (1025, 249920), (1100, 232880), (1136, 225500), (1312, 195250), (1375, 186304), (1420, 180400), (1562, 164000), (1600, 160105), (1640, 156200), (1760, 145550), (1775, 144320), (1804, 142000), (2000, 128084), (2050, 124960), (2200, 116440), (2255, 113600), (2272, 112750), (2624, 97625), (2750, 93152), (2840, 90200), (2911, 88000), (3124, 82000), (3280, 78100), (3520, 72775), (3550, 72160), (3608, 71000), (3905, 65600), (4000, 64042), (4100, 62480), (4400, 58220), (4510, 56800), (4544, 56375), (5125, 49984), (5500, 46576), (5680, 45100), (5822, 44000), (6248, 41000), (6560, 39050), (7100, 36080), (7216, 35500), (7810, 32800), (8000, 32021), (8200, 31240), (8800, 29110), (8875, 28864), (9020, 28400), (10250, 24992), (11000, 23288), (11275, 22720), (11360, 22550), (11644, 22000), (12496, 20500), (13120, 19525), (14200, 18040), (14432, 17750), (14555, 17600), (15620, 16400)]