51820440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{1259}}^1$

素因数の和:1294

約数の個数: 128

約数和(自身を含む): 181440000

約数和(自身を除く): 129619560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1259, 1372, 1470, 1715, 1960, 2058, 2518, 2744, 2940, 3430, 3777, 4116, 5036, 5145, 5880, 6295, 6860, 7554, 8232, 8813, 10072, 10290, 12590, 13720, 15108, 17626, 18885, 20580, 25180, 26439, 30216, 35252, 37770, 41160, 44065, 50360, 52878, 61691, 70504, 75540, 88130, 105756, 123382, 132195, 151080, 176260, 185073, 211512, 246764, 264390, 308455, 352520, 370146, 431837, 493528, 528780, 616910, 740292, 863674, 925365, 1057560, 1233820, 1295511, 1480584, 1727348, 1850730, 2159185, 2467640, 2591022, 3454696, 3701460, 4318370, 5182044, 6477555, 7402920, 8636740, 10364088, 12955110, 17273480, 25910220, 51820440]

約数ペア:

[(1, 51820440), (2, 25910220), (3, 17273480), (4, 12955110), (5, 10364088), (6, 8636740), (7, 7402920), (8, 6477555), (10, 5182044), (12, 4318370), (14, 3701460), (15, 3454696), (20, 2591022), (21, 2467640), (24, 2159185), (28, 1850730), (30, 1727348), (35, 1480584), (40, 1295511), (42, 1233820), (49, 1057560), (56, 925365), (60, 863674), (70, 740292), (84, 616910), (98, 528780), (105, 493528), (120, 431837), (140, 370146), (147, 352520), (168, 308455), (196, 264390), (210, 246764), (245, 211512), (280, 185073), (294, 176260), (343, 151080), (392, 132195), (420, 123382), (490, 105756), (588, 88130), (686, 75540), (735, 70504), (840, 61691), (980, 52878), (1029, 50360), (1176, 44065), (1259, 41160), (1372, 37770), (1470, 35252), (1715, 30216), (1960, 26439), (2058, 25180), (2518, 20580), (2744, 18885), (2940, 17626), (3430, 15108), (3777, 13720), (4116, 12590), (5036, 10290), (5145, 10072), (5880, 8813), (6295, 8232), (6860, 7554)]