171289880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1291}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 401863680

約数和(自身を除く): 230573800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 535, 620, 856, 1070, 1240, 1291, 2140, 2582, 3317, 4280, 5164, 6455, 6634, 10328, 12910, 13268, 16585, 25820, 26536, 33170, 40021, 51640, 66340, 80042, 132680, 138137, 160084, 200105, 276274, 320168, 400210, 552548, 690685, 800420, 1105096, 1381370, 1600840, 2762740, 4282247, 5525480, 8564494, 17128988, 21411235, 34257976, 42822470, 85644940, 171289880]

約数ペア:

[(1, 171289880), (2, 85644940), (4, 42822470), (5, 34257976), (8, 21411235), (10, 17128988), (20, 8564494), (31, 5525480), (40, 4282247), (62, 2762740), (107, 1600840), (124, 1381370), (155, 1105096), (214, 800420), (248, 690685), (310, 552548), (428, 400210), (535, 320168), (620, 276274), (856, 200105), (1070, 160084), (1240, 138137), (1291, 132680), (2140, 80042), (2582, 66340), (3317, 51640), (4280, 40021), (5164, 33170), (6455, 26536), (6634, 25820), (10328, 16585), (12910, 13268)]