256374720

素因数分解:

$2^6\times 3^6\times 5^1\times 7^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 392

約数和(自身を含む): 1052742624

約数和(自身を除く): 796367904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 157, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 243, 252, 270, 280, 288, 314, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 471, 480, 486, 504, 540, 560, 567, 576, 628, 630, 648, 672, 720, 729, 756, 785, 810, 840, 864, 942, 945, 960, 972, 1008, 1080, 1099, 1120, 1134, 1215, 1256, 1260, 1296, 1344, 1413, 1440, 1458, 1512, 1570, 1620, 1680, 1701, 1728, 1884, 1890, 1944, 2016, 2160, 2198, 2240, 2268, 2355, 2430, 2512, 2520, 2592, 2826, 2835, 2880, 2916, 3024, 3140, 3240, 3297, 3360, 3402, 3645, 3768, 3780, 3888, 4032, 4239, 4320, 4396, 4536, 4710, 4860, 5024, 5040, 5103, 5184, 5495, 5652, 5670, 5832, 6048, 6280, 6480, 6594, 6720, 6804, 7065, 7290, 7536, 7560, 7776, 8478, 8505, 8640, 8792, 9072, 9420, 9720, 9891, 10048, 10080, 10206, 10990, 11304, 11340, 11664, 12096, 12560, 12717, 12960, 13188, 13608, 14130, 14580, 15072, 15120, 15552, 16485, 16956, 17010, 17584, 18144, 18840, 19440, 19782, 20160, 20412, 21195, 21980, 22608, 22680, 23328, 25120, 25434, 25515, 25920, 26376, 27216, 28260, 29160, 29673, 30144, 30240, 32970, 33912, 34020, 35168, 36288, 37680, 38151, 38880, 39564, 40824, 42390, 43960, 45216, 45360, 46656, 49455, 50240, 50868, 51030, 52752, 54432, 56520, 58320, 59346, 60480, 63585, 65940, 67824, 68040, 70336, 75360, 76302, 77760, 79128, 81648, 84780, 87920, 89019, 90432, 90720, 98910, 101736, 102060, 105504, 108864, 113040, 114453, 116640, 118692, 127170, 131880, 135648, 136080, 148365, 150720, 152604, 158256, 163296, 169560, 175840, 178038, 181440, 190755, 197820, 203472, 204120, 211008, 226080, 228906, 233280, 237384, 254340, 263760, 267057, 271296, 272160, 296730, 305208, 316512, 326592, 339120, 351680, 356076, 381510, 395640, 406944, 408240, 445095, 452160, 457812, 474768, 508680, 527520, 534114, 544320, 572265, 593460, 610416, 633024, 678240, 712152, 763020, 791280, 801171, 813888, 816480, 890190, 915624, 949536, 1017360, 1055040, 1068228, 1144530, 1186920, 1220832, 1335285, 1356480, 1424304, 1526040, 1582560, 1602342, 1632960, 1780380, 1831248, 1899072, 2034720, 2136456, 2289060, 2373840, 2441664, 2670570, 2848608, 3052080, 3165120, 3204684, 3560760, 3662496, 4005855, 4069440, 4272912, 4578120, 4747680, 5341140, 5697216, 6104160, 6409368, 7121520, 7324992, 8011710, 8545824, 9156240, 9495360, 10682280, 12208320, 12818736, 14243040, 16023420, 17091648, 18312480, 21364560, 25637472, 28486080, 32046840, 36624960, 42729120, 51274944, 64093680, 85458240, 128187360, 256374720]

約数ペア:

[(1, 256374720), (2, 128187360), (3, 85458240), (4, 64093680), (5, 51274944), (6, 42729120), (7, 36624960), (8, 32046840), (9, 28486080), (10, 25637472), (12, 21364560), (14, 18312480), (15, 17091648), (16, 16023420), (18, 14243040), (20, 12818736), (21, 12208320), (24, 10682280), (27, 9495360), (28, 9156240), (30, 8545824), (32, 8011710), (35, 7324992), (36, 7121520), (40, 6409368), (42, 6104160), (45, 5697216), (48, 5341140), (54, 4747680), (56, 4578120), (60, 4272912), (63, 4069440), (64, 4005855), (70, 3662496), (72, 3560760), (80, 3204684), (81, 3165120), (84, 3052080), (90, 2848608), (96, 2670570), (105, 2441664), (108, 2373840), (112, 2289060), (120, 2136456), (126, 2034720), (135, 1899072), (140, 1831248), (144, 1780380), (157, 1632960), (160, 1602342), (162, 1582560), (168, 1526040), (180, 1424304), (189, 1356480), (192, 1335285), (210, 1220832), (216, 1186920), (224, 1144530), (240, 1068228), (243, 1055040), (252, 1017360), (270, 949536), (280, 915624), (288, 890190), (314, 816480), (315, 813888), (320, 801171), (324, 791280), (336, 763020), (360, 712152), (378, 678240), (405, 633024), (420, 610416), (432, 593460), (448, 572265), (471, 544320), (480, 534114), (486, 527520), (504, 508680), (540, 474768), (560, 457812), (567, 452160), (576, 445095), (628, 408240), (630, 406944), (648, 395640), (672, 381510), (720, 356076), (729, 351680), (756, 339120), (785, 326592), (810, 316512), (840, 305208), (864, 296730), (942, 272160), (945, 271296), (960, 267057), (972, 263760), (1008, 254340), (1080, 237384), (1099, 233280), (1120, 228906), (1134, 226080), (1215, 211008), (1256, 204120), (1260, 203472), (1296, 197820), (1344, 190755), (1413, 181440), (1440, 178038), (1458, 175840), (1512, 169560), (1570, 163296), (1620, 158256), (1680, 152604), (1701, 150720), (1728, 148365), (1884, 136080), (1890, 135648), (1944, 131880), (2016, 127170), (2160, 118692), (2198, 116640), (2240, 114453), (2268, 113040), (2355, 108864), (2430, 105504), (2512, 102060), (2520, 101736), (2592, 98910), (2826, 90720), (2835, 90432), (2880, 89019), (2916, 87920), (3024, 84780), (3140, 81648), (3240, 79128), (3297, 77760), (3360, 76302), (3402, 75360), (3645, 70336), (3768, 68040), (3780, 67824), (3888, 65940), (4032, 63585), (4239, 60480), (4320, 59346), (4396, 58320), (4536, 56520), (4710, 54432), (4860, 52752), (5024, 51030), (5040, 50868), (5103, 50240), (5184, 49455), (5495, 46656), (5652, 45360), (5670, 45216), (5832, 43960), (6048, 42390), (6280, 40824), (6480, 39564), (6594, 38880), (6720, 38151), (6804, 37680), (7065, 36288), (7290, 35168), (7536, 34020), (7560, 33912), (7776, 32970), (8478, 30240), (8505, 30144), (8640, 29673), (8792, 29160), (9072, 28260), (9420, 27216), (9720, 26376), (9891, 25920), (10048, 25515), (10080, 25434), (10206, 25120), (10990, 23328), (11304, 22680), (11340, 22608), (11664, 21980), (12096, 21195), (12560, 20412), (12717, 20160), (12960, 19782), (13188, 19440), (13608, 18840), (14130, 18144), (14580, 17584), (15072, 17010), (15120, 16956), (15552, 16485)]