20217600

素因数分解:

$2^8\times 3^5\times 5^2\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 324

約数和(自身を含む): 80725736

約数和(自身を除く): 60508136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 32, 36, 39, 40, 45, 48, 50, 52, 54, 60, 64, 65, 72, 75, 78, 80, 81, 90, 96, 100, 104, 108, 117, 120, 128, 130, 135, 144, 150, 156, 160, 162, 180, 192, 195, 200, 208, 216, 225, 234, 240, 243, 256, 260, 270, 288, 300, 312, 320, 324, 325, 351, 360, 384, 390, 400, 405, 416, 432, 450, 468, 480, 486, 520, 540, 576, 585, 600, 624, 640, 648, 650, 675, 702, 720, 768, 780, 800, 810, 832, 864, 900, 936, 960, 972, 975, 1040, 1053, 1080, 1152, 1170, 1200, 1215, 1248, 1280, 1296, 1300, 1350, 1404, 1440, 1560, 1600, 1620, 1664, 1728, 1755, 1800, 1872, 1920, 1944, 1950, 2025, 2080, 2106, 2160, 2304, 2340, 2400, 2430, 2496, 2592, 2600, 2700, 2808, 2880, 2925, 3120, 3159, 3200, 3240, 3328, 3456, 3510, 3600, 3744, 3840, 3888, 3900, 4050, 4160, 4212, 4320, 4680, 4800, 4860, 4992, 5184, 5200, 5265, 5400, 5616, 5760, 5850, 6075, 6240, 6318, 6400, 6480, 6912, 7020, 7200, 7488, 7776, 7800, 8100, 8320, 8424, 8640, 8775, 9360, 9600, 9720, 9984, 10368, 10400, 10530, 10800, 11232, 11520, 11700, 12150, 12480, 12636, 12960, 14040, 14400, 14976, 15552, 15600, 15795, 16200, 16640, 16848, 17280, 17550, 18720, 19200, 19440, 20736, 20800, 21060, 21600, 22464, 23400, 24300, 24960, 25272, 25920, 26325, 28080, 28800, 29952, 31104, 31200, 31590, 32400, 33696, 34560, 35100, 37440, 38880, 41600, 42120, 43200, 44928, 46800, 48600, 49920, 50544, 51840, 52650, 56160, 57600, 62208, 62400, 63180, 64800, 67392, 70200, 74880, 77760, 78975, 83200, 84240, 86400, 89856, 93600, 97200, 101088, 103680, 105300, 112320, 124800, 126360, 129600, 134784, 140400, 149760, 155520, 157950, 168480, 172800, 187200, 194400, 202176, 210600, 224640, 249600, 252720, 259200, 269568, 280800, 311040, 315900, 336960, 374400, 388800, 404352, 421200, 449280, 505440, 518400, 561600, 631800, 673920, 748800, 777600, 808704, 842400, 1010880, 1123200, 1263600, 1347840, 1555200, 1684800, 2021760, 2246400, 2527200, 3369600, 4043520, 5054400, 6739200, 10108800, 20217600]

約数ペア:

[(1, 20217600), (2, 10108800), (3, 6739200), (4, 5054400), (5, 4043520), (6, 3369600), (8, 2527200), (9, 2246400), (10, 2021760), (12, 1684800), (13, 1555200), (15, 1347840), (16, 1263600), (18, 1123200), (20, 1010880), (24, 842400), (25, 808704), (26, 777600), (27, 748800), (30, 673920), (32, 631800), (36, 561600), (39, 518400), (40, 505440), (45, 449280), (48, 421200), (50, 404352), (52, 388800), (54, 374400), (60, 336960), (64, 315900), (65, 311040), (72, 280800), (75, 269568), (78, 259200), (80, 252720), (81, 249600), (90, 224640), (96, 210600), (100, 202176), (104, 194400), (108, 187200), (117, 172800), (120, 168480), (128, 157950), (130, 155520), (135, 149760), (144, 140400), (150, 134784), (156, 129600), (160, 126360), (162, 124800), (180, 112320), (192, 105300), (195, 103680), (200, 101088), (208, 97200), (216, 93600), (225, 89856), (234, 86400), (240, 84240), (243, 83200), (256, 78975), (260, 77760), (270, 74880), (288, 70200), (300, 67392), (312, 64800), (320, 63180), (324, 62400), (325, 62208), (351, 57600), (360, 56160), (384, 52650), (390, 51840), (400, 50544), (405, 49920), (416, 48600), (432, 46800), (450, 44928), (468, 43200), (480, 42120), (486, 41600), (520, 38880), (540, 37440), (576, 35100), (585, 34560), (600, 33696), (624, 32400), (640, 31590), (648, 31200), (650, 31104), (675, 29952), (702, 28800), (720, 28080), (768, 26325), (780, 25920), (800, 25272), (810, 24960), (832, 24300), (864, 23400), (900, 22464), (936, 21600), (960, 21060), (972, 20800), (975, 20736), (1040, 19440), (1053, 19200), (1080, 18720), (1152, 17550), (1170, 17280), (1200, 16848), (1215, 16640), (1248, 16200), (1280, 15795), (1296, 15600), (1300, 15552), (1350, 14976), (1404, 14400), (1440, 14040), (1560, 12960), (1600, 12636), (1620, 12480), (1664, 12150), (1728, 11700), (1755, 11520), (1800, 11232), (1872, 10800), (1920, 10530), (1944, 10400), (1950, 10368), (2025, 9984), (2080, 9720), (2106, 9600), (2160, 9360), (2304, 8775), (2340, 8640), (2400, 8424), (2430, 8320), (2496, 8100), (2592, 7800), (2600, 7776), (2700, 7488), (2808, 7200), (2880, 7020), (2925, 6912), (3120, 6480), (3159, 6400), (3200, 6318), (3240, 6240), (3328, 6075), (3456, 5850), (3510, 5760), (3600, 5616), (3744, 5400), (3840, 5265), (3888, 5200), (3900, 5184), (4050, 4992), (4160, 4860), (4212, 4800), (4320, 4680)]