66386400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 218736000

約数和(自身を除く): 152349600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 139, 150, 160, 199, 200, 240, 278, 300, 398, 400, 417, 480, 556, 597, 600, 695, 796, 800, 834, 995, 1112, 1194, 1200, 1390, 1592, 1668, 1990, 2085, 2224, 2388, 2400, 2780, 2985, 3184, 3336, 3475, 3980, 4170, 4448, 4776, 4975, 5560, 5970, 6368, 6672, 6950, 7960, 8340, 9552, 9950, 10425, 11120, 11940, 13344, 13900, 14925, 15920, 16680, 19104, 19900, 20850, 22240, 23880, 27661, 27800, 29850, 31840, 33360, 39800, 41700, 47760, 55322, 55600, 59700, 66720, 79600, 82983, 83400, 95520, 110644, 111200, 119400, 138305, 159200, 165966, 166800, 221288, 238800, 276610, 331932, 333600, 414915, 442576, 477600, 553220, 663864, 691525, 829830, 885152, 1106440, 1327728, 1383050, 1659660, 2074575, 2212880, 2655456, 2766100, 3319320, 4149150, 4425760, 5532200, 6638640, 8298300, 11064400, 13277280, 16596600, 22128800, 33193200, 66386400]

約数ペア:

[(1, 66386400), (2, 33193200), (3, 22128800), (4, 16596600), (5, 13277280), (6, 11064400), (8, 8298300), (10, 6638640), (12, 5532200), (15, 4425760), (16, 4149150), (20, 3319320), (24, 2766100), (25, 2655456), (30, 2212880), (32, 2074575), (40, 1659660), (48, 1383050), (50, 1327728), (60, 1106440), (75, 885152), (80, 829830), (96, 691525), (100, 663864), (120, 553220), (139, 477600), (150, 442576), (160, 414915), (199, 333600), (200, 331932), (240, 276610), (278, 238800), (300, 221288), (398, 166800), (400, 165966), (417, 159200), (480, 138305), (556, 119400), (597, 111200), (600, 110644), (695, 95520), (796, 83400), (800, 82983), (834, 79600), (995, 66720), (1112, 59700), (1194, 55600), (1200, 55322), (1390, 47760), (1592, 41700), (1668, 39800), (1990, 33360), (2085, 31840), (2224, 29850), (2388, 27800), (2400, 27661), (2780, 23880), (2985, 22240), (3184, 20850), (3336, 19900), (3475, 19104), (3980, 16680), (4170, 15920), (4448, 14925), (4776, 13900), (4975, 13344), (5560, 11940), (5970, 11120), (6368, 10425), (6672, 9950), (6950, 9552), (7960, 8340)]