20775600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 180

約数和(自身を含む): 74958000

約数和(自身を除く): 54182400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 29, 30, 36, 40, 45, 48, 50, 58, 60, 72, 75, 80, 87, 90, 100, 116, 120, 144, 145, 150, 174, 180, 199, 200, 225, 232, 240, 261, 290, 300, 348, 360, 398, 400, 435, 450, 464, 522, 580, 597, 600, 696, 720, 725, 796, 870, 900, 995, 1044, 1160, 1194, 1200, 1305, 1392, 1450, 1592, 1740, 1791, 1800, 1990, 2088, 2175, 2320, 2388, 2610, 2900, 2985, 3184, 3480, 3582, 3600, 3980, 4176, 4350, 4776, 4975, 5220, 5771, 5800, 5970, 6525, 6960, 7164, 7960, 8700, 8955, 9552, 9950, 10440, 11542, 11600, 11940, 13050, 14328, 14925, 15920, 17313, 17400, 17910, 19900, 20880, 23084, 23880, 26100, 28656, 28855, 29850, 34626, 34800, 35820, 39800, 44775, 46168, 47760, 51939, 52200, 57710, 59700, 69252, 71640, 79600, 86565, 89550, 92336, 103878, 104400, 115420, 119400, 138504, 143280, 144275, 173130, 179100, 207756, 230840, 238800, 259695, 277008, 288550, 346260, 358200, 415512, 432825, 461680, 519390, 577100, 692520, 716400, 831024, 865650, 1038780, 1154200, 1298475, 1385040, 1731300, 2077560, 2308400, 2596950, 3462600, 4155120, 5193900, 6925200, 10387800, 20775600]

約数ペア:

[(1, 20775600), (2, 10387800), (3, 6925200), (4, 5193900), (5, 4155120), (6, 3462600), (8, 2596950), (9, 2308400), (10, 2077560), (12, 1731300), (15, 1385040), (16, 1298475), (18, 1154200), (20, 1038780), (24, 865650), (25, 831024), (29, 716400), (30, 692520), (36, 577100), (40, 519390), (45, 461680), (48, 432825), (50, 415512), (58, 358200), (60, 346260), (72, 288550), (75, 277008), (80, 259695), (87, 238800), (90, 230840), (100, 207756), (116, 179100), (120, 173130), (144, 144275), (145, 143280), (150, 138504), (174, 119400), (180, 115420), (199, 104400), (200, 103878), (225, 92336), (232, 89550), (240, 86565), (261, 79600), (290, 71640), (300, 69252), (348, 59700), (360, 57710), (398, 52200), (400, 51939), (435, 47760), (450, 46168), (464, 44775), (522, 39800), (580, 35820), (597, 34800), (600, 34626), (696, 29850), (720, 28855), (725, 28656), (796, 26100), (870, 23880), (900, 23084), (995, 20880), (1044, 19900), (1160, 17910), (1194, 17400), (1200, 17313), (1305, 15920), (1392, 14925), (1450, 14328), (1592, 13050), (1740, 11940), (1791, 11600), (1800, 11542), (1990, 10440), (2088, 9950), (2175, 9552), (2320, 8955), (2388, 8700), (2610, 7960), (2900, 7164), (2985, 6960), (3184, 6525), (3480, 5970), (3582, 5800), (3600, 5771), (3980, 5220), (4176, 4975), (4350, 4776)]