66966760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239167}}^1$

素因数の和:239185

約数の個数: 32

約数和(自身を含む): 172200960

約数和(自身を除く): 105234200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 239167, 478334, 956668, 1195835, 1674169, 1913336, 2391670, 3348338, 4783340, 6696676, 8370845, 9566680, 13393352, 16741690, 33483380, 66966760]

約数ペア:

[(1, 66966760), (2, 33483380), (4, 16741690), (5, 13393352), (7, 9566680), (8, 8370845), (10, 6696676), (14, 4783340), (20, 3348338), (28, 2391670), (35, 1913336), (40, 1674169), (56, 1195835), (70, 956668), (140, 478334), (280, 239167)]