8580880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 25444800

約数和(自身を除く): 16863920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 199, 220, 245, 280, 308, 385, 392, 398, 440, 490, 539, 560, 616, 770, 784, 796, 880, 980, 995, 1078, 1232, 1393, 1540, 1592, 1960, 1990, 2156, 2189, 2695, 2786, 3080, 3184, 3920, 3980, 4312, 4378, 5390, 5572, 6160, 6965, 7960, 8624, 8756, 9751, 10780, 10945, 11144, 13930, 15323, 15920, 17512, 19502, 21560, 21890, 22288, 27860, 30646, 35024, 39004, 43120, 43780, 48755, 55720, 61292, 76615, 78008, 87560, 97510, 107261, 111440, 122584, 153230, 156016, 175120, 195020, 214522, 245168, 306460, 390040, 429044, 536305, 612920, 780080, 858088, 1072610, 1225840, 1716176, 2145220, 4290440, 8580880]

約数ペア:

[(1, 8580880), (2, 4290440), (4, 2145220), (5, 1716176), (7, 1225840), (8, 1072610), (10, 858088), (11, 780080), (14, 612920), (16, 536305), (20, 429044), (22, 390040), (28, 306460), (35, 245168), (40, 214522), (44, 195020), (49, 175120), (55, 156016), (56, 153230), (70, 122584), (77, 111440), (80, 107261), (88, 97510), (98, 87560), (110, 78008), (112, 76615), (140, 61292), (154, 55720), (176, 48755), (196, 43780), (199, 43120), (220, 39004), (245, 35024), (280, 30646), (308, 27860), (385, 22288), (392, 21890), (398, 21560), (440, 19502), (490, 17512), (539, 15920), (560, 15323), (616, 13930), (770, 11144), (784, 10945), (796, 10780), (880, 9751), (980, 8756), (995, 8624), (1078, 7960), (1232, 6965), (1393, 6160), (1540, 5572), (1592, 5390), (1960, 4378), (1990, 4312), (2156, 3980), (2189, 3920), (2695, 3184), (2786, 3080)]