258819840

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{7489}}^1$

素因数の和:7519

約数の個数: 144

約数和(自身を含む): 918573600

約数和(自身を除く): 659753760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 7489, 8640, 11520, 14978, 17280, 22467, 29956, 34560, 37445, 44934, 59912, 67401, 74890, 89868, 112335, 119824, 134802, 149780, 179736, 202203, 224670, 239648, 269604, 299560, 337005, 359472, 404406, 449340, 479296, 539208, 599120, 674010, 718944, 808812, 898680, 958592, 1011015, 1078416, 1198240, 1348020, 1437888, 1617624, 1797360, 1917184, 2022030, 2156832, 2396480, 2696040, 2875776, 3235248, 3594720, 4044060, 4313664, 4792960, 5392080, 5751552, 6470496, 7189440, 8088120, 8627328, 9585920, 10784160, 12940992, 14378880, 16176240, 17254656, 21568320, 25881984, 28757760, 32352480, 43136640, 51763968, 64704960, 86273280, 129409920, 258819840]

約数ペア:

[(1, 258819840), (2, 129409920), (3, 86273280), (4, 64704960), (5, 51763968), (6, 43136640), (8, 32352480), (9, 28757760), (10, 25881984), (12, 21568320), (15, 17254656), (16, 16176240), (18, 14378880), (20, 12940992), (24, 10784160), (27, 9585920), (30, 8627328), (32, 8088120), (36, 7189440), (40, 6470496), (45, 5751552), (48, 5392080), (54, 4792960), (60, 4313664), (64, 4044060), (72, 3594720), (80, 3235248), (90, 2875776), (96, 2696040), (108, 2396480), (120, 2156832), (128, 2022030), (135, 1917184), (144, 1797360), (160, 1617624), (180, 1437888), (192, 1348020), (216, 1198240), (240, 1078416), (256, 1011015), (270, 958592), (288, 898680), (320, 808812), (360, 718944), (384, 674010), (432, 599120), (480, 539208), (540, 479296), (576, 449340), (640, 404406), (720, 359472), (768, 337005), (864, 299560), (960, 269604), (1080, 239648), (1152, 224670), (1280, 202203), (1440, 179736), (1728, 149780), (1920, 134802), (2160, 119824), (2304, 112335), (2880, 89868), (3456, 74890), (3840, 67401), (4320, 59912), (5760, 44934), (6912, 37445), (7489, 34560), (8640, 29956), (11520, 22467), (14978, 17280)]