268575320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16661}}^1$

素因数の和:16716

約数の個数: 64

約数和(自身を含む): 671811840

約数和(自身を除く): 403236520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 16661, 33322, 66644, 83305, 133288, 166610, 216593, 333220, 433186, 516491, 666440, 866372, 1032982, 1082965, 1732744, 2065964, 2165930, 2582455, 4131928, 4331860, 5164910, 6714383, 8663720, 10329820, 13428766, 20659640, 26857532, 33571915, 53715064, 67143830, 134287660, 268575320]

約数ペア:

[(1, 268575320), (2, 134287660), (4, 67143830), (5, 53715064), (8, 33571915), (10, 26857532), (13, 20659640), (20, 13428766), (26, 10329820), (31, 8663720), (40, 6714383), (52, 5164910), (62, 4331860), (65, 4131928), (104, 2582455), (124, 2165930), (130, 2065964), (155, 1732744), (248, 1082965), (260, 1032982), (310, 866372), (403, 666440), (520, 516491), (620, 433186), (806, 333220), (1240, 216593), (1612, 166610), (2015, 133288), (3224, 83305), (4030, 66644), (8060, 33322), (16120, 16661)]