78675840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 256

約数和(自身を含む): 290088000

約数和(自身を除く): 211412160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 128, 135, 144, 145, 157, 160, 174, 180, 192, 216, 232, 240, 261, 270, 288, 290, 314, 320, 348, 360, 384, 432, 435, 464, 471, 480, 522, 540, 576, 580, 628, 640, 696, 720, 783, 785, 864, 870, 928, 942, 960, 1044, 1080, 1152, 1160, 1256, 1305, 1392, 1413, 1440, 1566, 1570, 1728, 1740, 1856, 1884, 1920, 2088, 2160, 2320, 2355, 2512, 2610, 2784, 2826, 2880, 3132, 3140, 3456, 3480, 3712, 3768, 3915, 4176, 4239, 4320, 4553, 4640, 4710, 5024, 5220, 5568, 5652, 5760, 6264, 6280, 6960, 7065, 7536, 7830, 8352, 8478, 8640, 9106, 9280, 9420, 10048, 10440, 11136, 11304, 12528, 12560, 13659, 13920, 14130, 15072, 15660, 16704, 16956, 17280, 18212, 18560, 18840, 20096, 20880, 21195, 22608, 22765, 25056, 25120, 27318, 27840, 28260, 30144, 31320, 33408, 33912, 36424, 37680, 40977, 41760, 42390, 45216, 45530, 50112, 50240, 54636, 55680, 56520, 60288, 62640, 67824, 68295, 72848, 75360, 81954, 83520, 84780, 90432, 91060, 100224, 100480, 109272, 113040, 122931, 125280, 135648, 136590, 145696, 150720, 163908, 167040, 169560, 180864, 182120, 204885, 218544, 226080, 245862, 250560, 271296, 273180, 291392, 301440, 327816, 339120, 364240, 409770, 437088, 452160, 491724, 501120, 542592, 546360, 582784, 614655, 655632, 678240, 728480, 819540, 874176, 904320, 983448, 1092720, 1229310, 1311264, 1356480, 1456960, 1639080, 1748352, 1966896, 2185440, 2458620, 2622528, 2712960, 2913920, 3278160, 3933792, 4370880, 4917240, 5245056, 6556320, 7867584, 8741760, 9834480, 13112640, 15735168, 19668960, 26225280, 39337920, 78675840]

約数ペア:

[(1, 78675840), (2, 39337920), (3, 26225280), (4, 19668960), (5, 15735168), (6, 13112640), (8, 9834480), (9, 8741760), (10, 7867584), (12, 6556320), (15, 5245056), (16, 4917240), (18, 4370880), (20, 3933792), (24, 3278160), (27, 2913920), (29, 2712960), (30, 2622528), (32, 2458620), (36, 2185440), (40, 1966896), (45, 1748352), (48, 1639080), (54, 1456960), (58, 1356480), (60, 1311264), (64, 1229310), (72, 1092720), (80, 983448), (87, 904320), (90, 874176), (96, 819540), (108, 728480), (116, 678240), (120, 655632), (128, 614655), (135, 582784), (144, 546360), (145, 542592), (157, 501120), (160, 491724), (174, 452160), (180, 437088), (192, 409770), (216, 364240), (232, 339120), (240, 327816), (261, 301440), (270, 291392), (288, 273180), (290, 271296), (314, 250560), (320, 245862), (348, 226080), (360, 218544), (384, 204885), (432, 182120), (435, 180864), (464, 169560), (471, 167040), (480, 163908), (522, 150720), (540, 145696), (576, 136590), (580, 135648), (628, 125280), (640, 122931), (696, 113040), (720, 109272), (783, 100480), (785, 100224), (864, 91060), (870, 90432), (928, 84780), (942, 83520), (960, 81954), (1044, 75360), (1080, 72848), (1152, 68295), (1160, 67824), (1256, 62640), (1305, 60288), (1392, 56520), (1413, 55680), (1440, 54636), (1566, 50240), (1570, 50112), (1728, 45530), (1740, 45216), (1856, 42390), (1884, 41760), (1920, 40977), (2088, 37680), (2160, 36424), (2320, 33912), (2355, 33408), (2512, 31320), (2610, 30144), (2784, 28260), (2826, 27840), (2880, 27318), (3132, 25120), (3140, 25056), (3456, 22765), (3480, 22608), (3712, 21195), (3768, 20880), (3915, 20096), (4176, 18840), (4239, 18560), (4320, 18212), (4553, 17280), (4640, 16956), (4710, 16704), (5024, 15660), (5220, 15072), (5568, 14130), (5652, 13920), (5760, 13659), (6264, 12560), (6280, 12528), (6960, 11304), (7065, 11136), (7536, 10440), (7830, 10048), (8352, 9420), (8478, 9280), (8640, 9106)]