20649600

素因数分解:

$2^7\times 3^3\times 5^2\times {\mathrm{239}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 75888000

約数和(自身を除く): 55238400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 239, 240, 270, 288, 300, 320, 360, 384, 400, 432, 450, 478, 480, 540, 576, 600, 640, 675, 717, 720, 800, 864, 900, 956, 960, 1080, 1152, 1195, 1200, 1350, 1434, 1440, 1600, 1728, 1800, 1912, 1920, 2151, 2160, 2390, 2400, 2700, 2868, 2880, 3200, 3456, 3585, 3600, 3824, 4302, 4320, 4780, 4800, 5400, 5736, 5760, 5975, 6453, 7170, 7200, 7648, 8604, 8640, 9560, 9600, 10755, 10800, 11472, 11950, 12906, 14340, 14400, 15296, 17208, 17280, 17925, 19120, 21510, 21600, 22944, 23900, 25812, 28680, 28800, 30592, 32265, 34416, 35850, 38240, 43020, 43200, 45888, 47800, 51624, 53775, 57360, 64530, 68832, 71700, 76480, 86040, 86400, 91776, 95600, 103248, 107550, 114720, 129060, 137664, 143400, 152960, 161325, 172080, 191200, 206496, 215100, 229440, 258120, 275328, 286800, 322650, 344160, 382400, 412992, 430200, 458880, 516240, 573600, 645300, 688320, 764800, 825984, 860400, 1032480, 1147200, 1290600, 1376640, 1720800, 2064960, 2294400, 2581200, 3441600, 4129920, 5162400, 6883200, 10324800, 20649600]

約数ペア:

[(1, 20649600), (2, 10324800), (3, 6883200), (4, 5162400), (5, 4129920), (6, 3441600), (8, 2581200), (9, 2294400), (10, 2064960), (12, 1720800), (15, 1376640), (16, 1290600), (18, 1147200), (20, 1032480), (24, 860400), (25, 825984), (27, 764800), (30, 688320), (32, 645300), (36, 573600), (40, 516240), (45, 458880), (48, 430200), (50, 412992), (54, 382400), (60, 344160), (64, 322650), (72, 286800), (75, 275328), (80, 258120), (90, 229440), (96, 215100), (100, 206496), (108, 191200), (120, 172080), (128, 161325), (135, 152960), (144, 143400), (150, 137664), (160, 129060), (180, 114720), (192, 107550), (200, 103248), (216, 95600), (225, 91776), (239, 86400), (240, 86040), (270, 76480), (288, 71700), (300, 68832), (320, 64530), (360, 57360), (384, 53775), (400, 51624), (432, 47800), (450, 45888), (478, 43200), (480, 43020), (540, 38240), (576, 35850), (600, 34416), (640, 32265), (675, 30592), (717, 28800), (720, 28680), (800, 25812), (864, 23900), (900, 22944), (956, 21600), (960, 21510), (1080, 19120), (1152, 17925), (1195, 17280), (1200, 17208), (1350, 15296), (1434, 14400), (1440, 14340), (1600, 12906), (1728, 11950), (1800, 11472), (1912, 10800), (1920, 10755), (2151, 9600), (2160, 9560), (2390, 8640), (2400, 8604), (2700, 7648), (2868, 7200), (2880, 7170), (3200, 6453), (3456, 5975), (3585, 5760), (3600, 5736), (3824, 5400), (4302, 4800), (4320, 4780)]