66144640

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 159279120

約数和(自身を除く): 93134480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 320, 362, 571, 640, 724, 905, 1142, 1448, 1810, 2284, 2855, 2896, 3620, 4568, 5710, 5792, 7240, 9136, 11420, 11584, 14480, 18272, 22840, 23168, 28960, 36544, 45680, 57920, 73088, 91360, 103351, 115840, 182720, 206702, 365440, 413404, 516755, 826808, 1033510, 1653616, 2067020, 3307232, 4134040, 6614464, 8268080, 13228928, 16536160, 33072320, 66144640]

約数ペア:

[(1, 66144640), (2, 33072320), (4, 16536160), (5, 13228928), (8, 8268080), (10, 6614464), (16, 4134040), (20, 3307232), (32, 2067020), (40, 1653616), (64, 1033510), (80, 826808), (128, 516755), (160, 413404), (181, 365440), (320, 206702), (362, 182720), (571, 115840), (640, 103351), (724, 91360), (905, 73088), (1142, 57920), (1448, 45680), (1810, 36544), (2284, 28960), (2855, 23168), (2896, 22840), (3620, 18272), (4568, 14480), (5710, 11584), (5792, 11420), (7240, 9136)]