86861340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20981}}^1$

素因数の和:21019

約数の個数: 72

約数和(自身を含む): 274948128

約数和(自身を除く): 188086788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 20981, 41962, 62943, 83924, 104905, 125886, 188829, 209810, 251772, 314715, 377658, 419620, 482563, 629430, 755316, 944145, 965126, 1258860, 1447689, 1888290, 1930252, 2412815, 2895378, 3776580, 4343067, 4825630, 5790756, 7238445, 8686134, 9651260, 14476890, 17372268, 21715335, 28953780, 43430670, 86861340]

約数ペア:

[(1, 86861340), (2, 43430670), (3, 28953780), (4, 21715335), (5, 17372268), (6, 14476890), (9, 9651260), (10, 8686134), (12, 7238445), (15, 5790756), (18, 4825630), (20, 4343067), (23, 3776580), (30, 2895378), (36, 2412815), (45, 1930252), (46, 1888290), (60, 1447689), (69, 1258860), (90, 965126), (92, 944145), (115, 755316), (138, 629430), (180, 482563), (207, 419620), (230, 377658), (276, 314715), (345, 251772), (414, 209810), (460, 188829), (690, 125886), (828, 104905), (1035, 83924), (1380, 62943), (2070, 41962), (4140, 20981)]