81028800

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:376

約数の個数: 252

約数和(自身を含む): 305857656

約数和(自身を除く): 224828856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 32, 34, 36, 40, 45, 48, 50, 51, 60, 64, 68, 72, 75, 80, 85, 90, 96, 100, 102, 120, 136, 144, 150, 153, 160, 170, 180, 192, 200, 204, 225, 240, 255, 272, 288, 300, 306, 320, 331, 340, 360, 400, 408, 425, 450, 480, 510, 544, 576, 600, 612, 662, 680, 720, 765, 800, 816, 850, 900, 960, 993, 1020, 1088, 1200, 1224, 1275, 1324, 1360, 1440, 1530, 1600, 1632, 1655, 1700, 1800, 1986, 2040, 2400, 2448, 2550, 2648, 2720, 2880, 2979, 3060, 3264, 3310, 3400, 3600, 3825, 3972, 4080, 4800, 4896, 4965, 5100, 5296, 5440, 5627, 5958, 6120, 6620, 6800, 7200, 7650, 7944, 8160, 8275, 9792, 9930, 10200, 10592, 11254, 11916, 12240, 13240, 13600, 14400, 14895, 15300, 15888, 16320, 16550, 16881, 19860, 20400, 21184, 22508, 23832, 24480, 24825, 26480, 27200, 28135, 29790, 30600, 31776, 33100, 33762, 39720, 40800, 45016, 47664, 48960, 49650, 50643, 52960, 56270, 59580, 61200, 63552, 66200, 67524, 74475, 79440, 81600, 84405, 90032, 95328, 99300, 101286, 105920, 112540, 119160, 122400, 132400, 135048, 140675, 148950, 158880, 168810, 180064, 190656, 198600, 202572, 225080, 238320, 244800, 253215, 264800, 270096, 281350, 297900, 317760, 337620, 360128, 397200, 405144, 422025, 450160, 476640, 506430, 529600, 540192, 562700, 595800, 675240, 794400, 810288, 844050, 900320, 953280, 1012860, 1080384, 1125400, 1191600, 1266075, 1350480, 1588800, 1620576, 1688100, 1800640, 2025720, 2250800, 2383200, 2532150, 2700960, 3241152, 3376200, 4051440, 4501600, 4766400, 5064300, 5401920, 6752400, 8102880, 9003200, 10128600, 13504800, 16205760, 20257200, 27009600, 40514400, 81028800]

約数ペア:

[(1, 81028800), (2, 40514400), (3, 27009600), (4, 20257200), (5, 16205760), (6, 13504800), (8, 10128600), (9, 9003200), (10, 8102880), (12, 6752400), (15, 5401920), (16, 5064300), (17, 4766400), (18, 4501600), (20, 4051440), (24, 3376200), (25, 3241152), (30, 2700960), (32, 2532150), (34, 2383200), (36, 2250800), (40, 2025720), (45, 1800640), (48, 1688100), (50, 1620576), (51, 1588800), (60, 1350480), (64, 1266075), (68, 1191600), (72, 1125400), (75, 1080384), (80, 1012860), (85, 953280), (90, 900320), (96, 844050), (100, 810288), (102, 794400), (120, 675240), (136, 595800), (144, 562700), (150, 540192), (153, 529600), (160, 506430), (170, 476640), (180, 450160), (192, 422025), (200, 405144), (204, 397200), (225, 360128), (240, 337620), (255, 317760), (272, 297900), (288, 281350), (300, 270096), (306, 264800), (320, 253215), (331, 244800), (340, 238320), (360, 225080), (400, 202572), (408, 198600), (425, 190656), (450, 180064), (480, 168810), (510, 158880), (544, 148950), (576, 140675), (600, 135048), (612, 132400), (662, 122400), (680, 119160), (720, 112540), (765, 105920), (800, 101286), (816, 99300), (850, 95328), (900, 90032), (960, 84405), (993, 81600), (1020, 79440), (1088, 74475), (1200, 67524), (1224, 66200), (1275, 63552), (1324, 61200), (1360, 59580), (1440, 56270), (1530, 52960), (1600, 50643), (1632, 49650), (1655, 48960), (1700, 47664), (1800, 45016), (1986, 40800), (2040, 39720), (2400, 33762), (2448, 33100), (2550, 31776), (2648, 30600), (2720, 29790), (2880, 28135), (2979, 27200), (3060, 26480), (3264, 24825), (3310, 24480), (3400, 23832), (3600, 22508), (3825, 21184), (3972, 20400), (4080, 19860), (4800, 16881), (4896, 16550), (4965, 16320), (5100, 15888), (5296, 15300), (5440, 14895), (5627, 14400), (5958, 13600), (6120, 13240), (6620, 12240), (6800, 11916), (7200, 11254), (7650, 10592), (7944, 10200), (8160, 9930), (8275, 9792)]