68680640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{30661}}^1$

素因数の和:30685

約数の個数: 56

約数和(自身を含む): 186915552

約数和(自身を除く): 118234912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 30661, 61322, 122644, 153305, 214627, 245288, 306610, 429254, 490576, 613220, 858508, 981152, 1073135, 1226440, 1717016, 1962304, 2146270, 2452880, 3434032, 4292540, 4905760, 6868064, 8585080, 9811520, 13736128, 17170160, 34340320, 68680640]

約数ペア:

[(1, 68680640), (2, 34340320), (4, 17170160), (5, 13736128), (7, 9811520), (8, 8585080), (10, 6868064), (14, 4905760), (16, 4292540), (20, 3434032), (28, 2452880), (32, 2146270), (35, 1962304), (40, 1717016), (56, 1226440), (64, 1073135), (70, 981152), (80, 858508), (112, 613220), (140, 490576), (160, 429254), (224, 306610), (280, 245288), (320, 214627), (448, 153305), (560, 122644), (1120, 61322), (2240, 30661)]