68647040

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 209304000

約数和(自身を除く): 140656960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 199, 220, 224, 245, 280, 308, 320, 352, 385, 392, 398, 440, 448, 490, 539, 560, 616, 640, 704, 770, 784, 796, 880, 896, 980, 995, 1078, 1120, 1232, 1393, 1408, 1540, 1568, 1592, 1760, 1960, 1990, 2156, 2189, 2240, 2464, 2695, 2786, 3080, 3136, 3184, 3520, 3920, 3980, 4312, 4378, 4480, 4928, 5390, 5572, 6160, 6272, 6368, 6965, 7040, 7840, 7960, 8624, 8756, 9751, 9856, 10780, 10945, 11144, 12320, 12736, 13930, 15323, 15680, 15920, 17248, 17512, 19502, 21560, 21890, 22288, 24640, 25472, 27860, 30646, 31360, 31840, 34496, 35024, 39004, 43120, 43780, 44576, 48755, 49280, 55720, 61292, 63680, 68992, 70048, 76615, 78008, 86240, 87560, 89152, 97510, 107261, 111440, 122584, 127360, 140096, 153230, 156016, 172480, 175120, 178304, 195020, 214522, 222880, 245168, 280192, 306460, 312032, 344960, 350240, 390040, 429044, 445760, 490336, 536305, 612920, 624064, 700480, 780080, 858088, 891520, 980672, 1072610, 1225840, 1248128, 1400960, 1560160, 1716176, 1961344, 2145220, 2451680, 3120320, 3432352, 4290440, 4903360, 6240640, 6864704, 8580880, 9806720, 13729408, 17161760, 34323520, 68647040]

約数ペア:

[(1, 68647040), (2, 34323520), (4, 17161760), (5, 13729408), (7, 9806720), (8, 8580880), (10, 6864704), (11, 6240640), (14, 4903360), (16, 4290440), (20, 3432352), (22, 3120320), (28, 2451680), (32, 2145220), (35, 1961344), (40, 1716176), (44, 1560160), (49, 1400960), (55, 1248128), (56, 1225840), (64, 1072610), (70, 980672), (77, 891520), (80, 858088), (88, 780080), (98, 700480), (110, 624064), (112, 612920), (128, 536305), (140, 490336), (154, 445760), (160, 429044), (176, 390040), (196, 350240), (199, 344960), (220, 312032), (224, 306460), (245, 280192), (280, 245168), (308, 222880), (320, 214522), (352, 195020), (385, 178304), (392, 175120), (398, 172480), (440, 156016), (448, 153230), (490, 140096), (539, 127360), (560, 122584), (616, 111440), (640, 107261), (704, 97510), (770, 89152), (784, 87560), (796, 86240), (880, 78008), (896, 76615), (980, 70048), (995, 68992), (1078, 63680), (1120, 61292), (1232, 55720), (1393, 49280), (1408, 48755), (1540, 44576), (1568, 43780), (1592, 43120), (1760, 39004), (1960, 35024), (1990, 34496), (2156, 31840), (2189, 31360), (2240, 30646), (2464, 27860), (2695, 25472), (2786, 24640), (3080, 22288), (3136, 21890), (3184, 21560), (3520, 19502), (3920, 17512), (3980, 17248), (4312, 15920), (4378, 15680), (4480, 15323), (4928, 13930), (5390, 12736), (5572, 12320), (6160, 11144), (6272, 10945), (6368, 10780), (6965, 9856), (7040, 9751), (7840, 8756), (7960, 8624)]