81984000

素因数分解:

$2^9\times 3^1\times 5^3\times 7^1\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 320

約数和(自身を含む): 316622592

約数和(自身を除く): 234638592

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 61, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 122, 125, 128, 140, 150, 160, 168, 175, 183, 192, 200, 210, 224, 240, 244, 250, 256, 280, 300, 305, 320, 336, 350, 366, 375, 384, 400, 420, 427, 448, 480, 488, 500, 512, 525, 560, 600, 610, 640, 672, 700, 732, 750, 768, 800, 840, 854, 875, 896, 915, 960, 976, 1000, 1050, 1120, 1200, 1220, 1280, 1281, 1344, 1400, 1464, 1500, 1525, 1536, 1600, 1680, 1708, 1750, 1792, 1830, 1920, 1952, 2000, 2100, 2135, 2240, 2400, 2440, 2560, 2562, 2625, 2688, 2800, 2928, 3000, 3050, 3200, 3360, 3416, 3500, 3584, 3660, 3840, 3904, 4000, 4200, 4270, 4480, 4575, 4800, 4880, 5124, 5250, 5376, 5600, 5856, 6000, 6100, 6400, 6405, 6720, 6832, 7000, 7320, 7625, 7680, 7808, 8000, 8400, 8540, 8960, 9150, 9600, 9760, 10248, 10500, 10675, 10752, 11200, 11712, 12000, 12200, 12800, 12810, 13440, 13664, 14000, 14640, 15250, 15616, 16000, 16800, 17080, 17920, 18300, 19200, 19520, 20496, 21000, 21350, 22400, 22875, 23424, 24000, 24400, 25620, 26880, 27328, 28000, 29280, 30500, 31232, 32000, 32025, 33600, 34160, 36600, 38400, 39040, 40992, 42000, 42700, 44800, 45750, 46848, 48000, 48800, 51240, 53375, 53760, 54656, 56000, 58560, 61000, 64000, 64050, 67200, 68320, 73200, 78080, 81984, 84000, 85400, 89600, 91500, 93696, 96000, 97600, 102480, 106750, 109312, 112000, 117120, 122000, 128100, 134400, 136640, 146400, 156160, 160125, 163968, 168000, 170800, 183000, 192000, 195200, 204960, 213500, 218624, 224000, 234240, 244000, 256200, 268800, 273280, 292800, 320250, 327936, 336000, 341600, 366000, 390400, 409920, 427000, 448000, 468480, 488000, 512400, 546560, 585600, 640500, 655872, 672000, 683200, 732000, 780800, 819840, 854000, 976000, 1024800, 1093120, 1171200, 1281000, 1344000, 1366400, 1464000, 1639680, 1708000, 1952000, 2049600, 2342400, 2562000, 2732800, 2928000, 3279360, 3416000, 3904000, 4099200, 5124000, 5465600, 5856000, 6832000, 8198400, 10248000, 11712000, 13664000, 16396800, 20496000, 27328000, 40992000, 81984000]

約数ペア:

[(1, 81984000), (2, 40992000), (3, 27328000), (4, 20496000), (5, 16396800), (6, 13664000), (7, 11712000), (8, 10248000), (10, 8198400), (12, 6832000), (14, 5856000), (15, 5465600), (16, 5124000), (20, 4099200), (21, 3904000), (24, 3416000), (25, 3279360), (28, 2928000), (30, 2732800), (32, 2562000), (35, 2342400), (40, 2049600), (42, 1952000), (48, 1708000), (50, 1639680), (56, 1464000), (60, 1366400), (61, 1344000), (64, 1281000), (70, 1171200), (75, 1093120), (80, 1024800), (84, 976000), (96, 854000), (100, 819840), (105, 780800), (112, 732000), (120, 683200), (122, 672000), (125, 655872), (128, 640500), (140, 585600), (150, 546560), (160, 512400), (168, 488000), (175, 468480), (183, 448000), (192, 427000), (200, 409920), (210, 390400), (224, 366000), (240, 341600), (244, 336000), (250, 327936), (256, 320250), (280, 292800), (300, 273280), (305, 268800), (320, 256200), (336, 244000), (350, 234240), (366, 224000), (375, 218624), (384, 213500), (400, 204960), (420, 195200), (427, 192000), (448, 183000), (480, 170800), (488, 168000), (500, 163968), (512, 160125), (525, 156160), (560, 146400), (600, 136640), (610, 134400), (640, 128100), (672, 122000), (700, 117120), (732, 112000), (750, 109312), (768, 106750), (800, 102480), (840, 97600), (854, 96000), (875, 93696), (896, 91500), (915, 89600), (960, 85400), (976, 84000), (1000, 81984), (1050, 78080), (1120, 73200), (1200, 68320), (1220, 67200), (1280, 64050), (1281, 64000), (1344, 61000), (1400, 58560), (1464, 56000), (1500, 54656), (1525, 53760), (1536, 53375), (1600, 51240), (1680, 48800), (1708, 48000), (1750, 46848), (1792, 45750), (1830, 44800), (1920, 42700), (1952, 42000), (2000, 40992), (2100, 39040), (2135, 38400), (2240, 36600), (2400, 34160), (2440, 33600), (2560, 32025), (2562, 32000), (2625, 31232), (2688, 30500), (2800, 29280), (2928, 28000), (3000, 27328), (3050, 26880), (3200, 25620), (3360, 24400), (3416, 24000), (3500, 23424), (3584, 22875), (3660, 22400), (3840, 21350), (3904, 21000), (4000, 20496), (4200, 19520), (4270, 19200), (4480, 18300), (4575, 17920), (4800, 17080), (4880, 16800), (5124, 16000), (5250, 15616), (5376, 15250), (5600, 14640), (5856, 14000), (6000, 13664), (6100, 13440), (6400, 12810), (6405, 12800), (6720, 12200), (6832, 12000), (7000, 11712), (7320, 11200), (7625, 10752), (7680, 10675), (7808, 10500), (8000, 10248), (8400, 9760), (8540, 9600), (8960, 9150)]