821820160

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13103}}^1$

素因数の和:13138

約数の個数: 108

約数和(自身を含む): 2290081248

約数和(自身を除く): 1468261088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8960, 12544, 13103, 15680, 26206, 31360, 52412, 62720, 65515, 91721, 104824, 131030, 183442, 209648, 262060, 366884, 419296, 458605, 524120, 642047, 733768, 838592, 917210, 1048240, 1284094, 1467536, 1677184, 1834420, 2096480, 2568188, 2935072, 3210235, 3354368, 3668840, 4192960, 5136376, 5870144, 6420470, 7337680, 8385920, 10272752, 11740288, 12840940, 14675360, 16771840, 20545504, 23480576, 25681880, 29350720, 41091008, 51363760, 58701440, 82182016, 102727520, 117402880, 164364032, 205455040, 410910080, 821820160]

約数ペア:

[(1, 821820160), (2, 410910080), (4, 205455040), (5, 164364032), (7, 117402880), (8, 102727520), (10, 82182016), (14, 58701440), (16, 51363760), (20, 41091008), (28, 29350720), (32, 25681880), (35, 23480576), (40, 20545504), (49, 16771840), (56, 14675360), (64, 12840940), (70, 11740288), (80, 10272752), (98, 8385920), (112, 7337680), (128, 6420470), (140, 5870144), (160, 5136376), (196, 4192960), (224, 3668840), (245, 3354368), (256, 3210235), (280, 2935072), (320, 2568188), (392, 2096480), (448, 1834420), (490, 1677184), (560, 1467536), (640, 1284094), (784, 1048240), (896, 917210), (980, 838592), (1120, 733768), (1280, 642047), (1568, 524120), (1792, 458605), (1960, 419296), (2240, 366884), (3136, 262060), (3920, 209648), (4480, 183442), (6272, 131030), (7840, 104824), (8960, 91721), (12544, 65515), (13103, 62720), (15680, 52412), (26206, 31360)]