128533120

素因数分解:

$2^7\times 5^1\times {\mathrm{229}}^1\times {\mathrm{877}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 308968200

約数和(自身を除く): 180435080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 320, 458, 640, 877, 916, 1145, 1754, 1832, 2290, 3508, 3664, 4385, 4580, 7016, 7328, 8770, 9160, 14032, 14656, 17540, 18320, 28064, 29312, 35080, 36640, 56128, 70160, 73280, 112256, 140320, 146560, 200833, 280640, 401666, 561280, 803332, 1004165, 1606664, 2008330, 3213328, 4016660, 6426656, 8033320, 12853312, 16066640, 25706624, 32133280, 64266560, 128533120]

約数ペア:

[(1, 128533120), (2, 64266560), (4, 32133280), (5, 25706624), (8, 16066640), (10, 12853312), (16, 8033320), (20, 6426656), (32, 4016660), (40, 3213328), (64, 2008330), (80, 1606664), (128, 1004165), (160, 803332), (229, 561280), (320, 401666), (458, 280640), (640, 200833), (877, 146560), (916, 140320), (1145, 112256), (1754, 73280), (1832, 70160), (2290, 56128), (3508, 36640), (3664, 35080), (4385, 29312), (4580, 28064), (7016, 18320), (7328, 17540), (8770, 14656), (9160, 14032)]