157940720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1007

約数の個数: 120

約数和(自身を含む): 437565744

約数和(自身を除く): 279625024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 196, 215, 245, 280, 301, 344, 392, 430, 490, 560, 602, 688, 784, 860, 937, 980, 1204, 1505, 1720, 1874, 1960, 2107, 2408, 3010, 3440, 3748, 3920, 4214, 4685, 4816, 6020, 6559, 7496, 8428, 9370, 10535, 12040, 13118, 14992, 16856, 18740, 21070, 24080, 26236, 32795, 33712, 37480, 40291, 42140, 45913, 52472, 65590, 74960, 80582, 84280, 91826, 104944, 131180, 161164, 168560, 183652, 201455, 229565, 262360, 282037, 322328, 367304, 402910, 459130, 524720, 564074, 644656, 734608, 805820, 918260, 1128148, 1410185, 1611640, 1836520, 1974259, 2256296, 2820370, 3223280, 3673040, 3948518, 4512592, 5640740, 7897036, 9871295, 11281480, 15794072, 19742590, 22562960, 31588144, 39485180, 78970360, 157940720]

約数ペア:

[(1, 157940720), (2, 78970360), (4, 39485180), (5, 31588144), (7, 22562960), (8, 19742590), (10, 15794072), (14, 11281480), (16, 9871295), (20, 7897036), (28, 5640740), (35, 4512592), (40, 3948518), (43, 3673040), (49, 3223280), (56, 2820370), (70, 2256296), (80, 1974259), (86, 1836520), (98, 1611640), (112, 1410185), (140, 1128148), (172, 918260), (196, 805820), (215, 734608), (245, 644656), (280, 564074), (301, 524720), (344, 459130), (392, 402910), (430, 367304), (490, 322328), (560, 282037), (602, 262360), (688, 229565), (784, 201455), (860, 183652), (937, 168560), (980, 161164), (1204, 131180), (1505, 104944), (1720, 91826), (1874, 84280), (1960, 80582), (2107, 74960), (2408, 65590), (3010, 52472), (3440, 45913), (3748, 42140), (3920, 40291), (4214, 37480), (4685, 33712), (4816, 32795), (6020, 26236), (6559, 24080), (7496, 21070), (8428, 18740), (9370, 16856), (10535, 14992), (12040, 13118)]