171317840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1223}}^1$

素因数の和:1356

約数の個数: 80

約数和(自身を含む): 426187008

約数和(自身を除く): 254869168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 103, 136, 170, 206, 272, 340, 412, 515, 680, 824, 1030, 1223, 1360, 1648, 1751, 2060, 2446, 3502, 4120, 4892, 6115, 7004, 8240, 8755, 9784, 12230, 14008, 17510, 19568, 20791, 24460, 28016, 35020, 41582, 48920, 70040, 83164, 97840, 103955, 125969, 140080, 166328, 207910, 251938, 332656, 415820, 503876, 629845, 831640, 1007752, 1259690, 1663280, 2015504, 2141473, 2519380, 4282946, 5038760, 8565892, 10077520, 10707365, 17131784, 21414730, 34263568, 42829460, 85658920, 171317840]

約数ペア:

[(1, 171317840), (2, 85658920), (4, 42829460), (5, 34263568), (8, 21414730), (10, 17131784), (16, 10707365), (17, 10077520), (20, 8565892), (34, 5038760), (40, 4282946), (68, 2519380), (80, 2141473), (85, 2015504), (103, 1663280), (136, 1259690), (170, 1007752), (206, 831640), (272, 629845), (340, 503876), (412, 415820), (515, 332656), (680, 251938), (824, 207910), (1030, 166328), (1223, 140080), (1360, 125969), (1648, 103955), (1751, 97840), (2060, 83164), (2446, 70040), (3502, 48920), (4120, 41582), (4892, 35020), (6115, 28016), (7004, 24460), (8240, 20791), (8755, 19568), (9784, 17510), (12230, 14008)]