123385640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4363}}^1$

素因数の和:4482

約数の個数: 64

約数和(自身を含む): 320492160

約数和(自身を除く): 197106520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2828, 3535, 4040, 4363, 5656, 7070, 8726, 14140, 17452, 21815, 28280, 30541, 34904, 43630, 61082, 87260, 122164, 152705, 174520, 244328, 305410, 440663, 610820, 881326, 1221640, 1762652, 2203315, 3084641, 3525304, 4406630, 6169282, 8813260, 12338564, 15423205, 17626520, 24677128, 30846410, 61692820, 123385640]

約数ペア:

[(1, 123385640), (2, 61692820), (4, 30846410), (5, 24677128), (7, 17626520), (8, 15423205), (10, 12338564), (14, 8813260), (20, 6169282), (28, 4406630), (35, 3525304), (40, 3084641), (56, 2203315), (70, 1762652), (101, 1221640), (140, 881326), (202, 610820), (280, 440663), (404, 305410), (505, 244328), (707, 174520), (808, 152705), (1010, 122164), (1414, 87260), (2020, 61082), (2828, 43630), (3535, 34904), (4040, 30541), (4363, 28280), (5656, 21815), (7070, 17452), (8726, 14140)]