1279307520

素因数分解:

$2^8\times 3^7\times 5^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 288

約数和(自身を含む): 4605867840

約数和(自身を除く): 3326560320

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 457, 480, 486, 540, 576, 640, 648, 720, 729, 768, 810, 864, 914, 960, 972, 1080, 1152, 1215, 1280, 1296, 1371, 1440, 1458, 1620, 1728, 1828, 1920, 1944, 2160, 2187, 2285, 2304, 2430, 2592, 2742, 2880, 2916, 3240, 3456, 3645, 3656, 3840, 3888, 4113, 4320, 4374, 4570, 4860, 5184, 5484, 5760, 5832, 6480, 6855, 6912, 7290, 7312, 7776, 8226, 8640, 8748, 9140, 9720, 10368, 10935, 10968, 11520, 11664, 12339, 12960, 13710, 14580, 14624, 15552, 16452, 17280, 17496, 18280, 19440, 20565, 20736, 21870, 21936, 23328, 24678, 25920, 27420, 29160, 29248, 31104, 32904, 34560, 34992, 36560, 37017, 38880, 41130, 43740, 43872, 46656, 49356, 51840, 54840, 58320, 58496, 61695, 62208, 65808, 69984, 73120, 74034, 77760, 82260, 87480, 87744, 93312, 98712, 103680, 109680, 111051, 116640, 116992, 123390, 131616, 139968, 146240, 148068, 155520, 164520, 174960, 175488, 185085, 186624, 197424, 219360, 222102, 233280, 246780, 263232, 279936, 292480, 296136, 311040, 329040, 333153, 349920, 350976, 370170, 394848, 438720, 444204, 466560, 493560, 526464, 555255, 559872, 584960, 592272, 658080, 666306, 699840, 740340, 789696, 877440, 888408, 933120, 987120, 999459, 1052928, 1110510, 1184544, 1316160, 1332612, 1399680, 1480680, 1579392, 1665765, 1754880, 1776816, 1974240, 1998918, 2221020, 2369088, 2632320, 2665224, 2799360, 2961360, 3158784, 3331530, 3553632, 3948480, 3997836, 4442040, 4738176, 4997295, 5264640, 5330448, 5922720, 6663060, 7107264, 7896960, 7995672, 8884080, 9476352, 9994590, 10660896, 11845440, 13326120, 14214528, 15793920, 15991344, 17768160, 19989180, 21321792, 23690880, 26652240, 28429056, 31982688, 35536320, 39978360, 42643584, 47381760, 53304480, 63965376, 71072640, 79956720, 85287168, 106608960, 127930752, 142145280, 159913440, 213217920, 255861504, 319826880, 426435840, 639653760, 1279307520]

約数ペア:

[(1, 1279307520), (2, 639653760), (3, 426435840), (4, 319826880), (5, 255861504), (6, 213217920), (8, 159913440), (9, 142145280), (10, 127930752), (12, 106608960), (15, 85287168), (16, 79956720), (18, 71072640), (20, 63965376), (24, 53304480), (27, 47381760), (30, 42643584), (32, 39978360), (36, 35536320), (40, 31982688), (45, 28429056), (48, 26652240), (54, 23690880), (60, 21321792), (64, 19989180), (72, 17768160), (80, 15991344), (81, 15793920), (90, 14214528), (96, 13326120), (108, 11845440), (120, 10660896), (128, 9994590), (135, 9476352), (144, 8884080), (160, 7995672), (162, 7896960), (180, 7107264), (192, 6663060), (216, 5922720), (240, 5330448), (243, 5264640), (256, 4997295), (270, 4738176), (288, 4442040), (320, 3997836), (324, 3948480), (360, 3553632), (384, 3331530), (405, 3158784), (432, 2961360), (457, 2799360), (480, 2665224), (486, 2632320), (540, 2369088), (576, 2221020), (640, 1998918), (648, 1974240), (720, 1776816), (729, 1754880), (768, 1665765), (810, 1579392), (864, 1480680), (914, 1399680), (960, 1332612), (972, 1316160), (1080, 1184544), (1152, 1110510), (1215, 1052928), (1280, 999459), (1296, 987120), (1371, 933120), (1440, 888408), (1458, 877440), (1620, 789696), (1728, 740340), (1828, 699840), (1920, 666306), (1944, 658080), (2160, 592272), (2187, 584960), (2285, 559872), (2304, 555255), (2430, 526464), (2592, 493560), (2742, 466560), (2880, 444204), (2916, 438720), (3240, 394848), (3456, 370170), (3645, 350976), (3656, 349920), (3840, 333153), (3888, 329040), (4113, 311040), (4320, 296136), (4374, 292480), (4570, 279936), (4860, 263232), (5184, 246780), (5484, 233280), (5760, 222102), (5832, 219360), (6480, 197424), (6855, 186624), (6912, 185085), (7290, 175488), (7312, 174960), (7776, 164520), (8226, 155520), (8640, 148068), (8748, 146240), (9140, 139968), (9720, 131616), (10368, 123390), (10935, 116992), (10968, 116640), (11520, 111051), (11664, 109680), (12339, 103680), (12960, 98712), (13710, 93312), (14580, 87744), (14624, 87480), (15552, 82260), (16452, 77760), (17280, 74034), (17496, 73120), (18280, 69984), (19440, 65808), (20565, 62208), (20736, 61695), (21870, 58496), (21936, 58320), (23328, 54840), (24678, 51840), (25920, 49356), (27420, 46656), (29160, 43872), (29248, 43740), (31104, 41130), (32904, 38880), (34560, 37017), (34992, 36560)]