30587480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9931}}^1$

素因数の和:9960

約数の個数: 64

約数和(自身を含む): 85812480

約数和(自身を除く): 55225000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9931, 19862, 39724, 49655, 69517, 79448, 99310, 109241, 139034, 198620, 218482, 278068, 347585, 397240, 436964, 546205, 556136, 695170, 764687, 873928, 1092410, 1390340, 1529374, 2184820, 2780680, 3058748, 3823435, 4369640, 6117496, 7646870, 15293740, 30587480]

約数ペア:

[(1, 30587480), (2, 15293740), (4, 7646870), (5, 6117496), (7, 4369640), (8, 3823435), (10, 3058748), (11, 2780680), (14, 2184820), (20, 1529374), (22, 1390340), (28, 1092410), (35, 873928), (40, 764687), (44, 695170), (55, 556136), (56, 546205), (70, 436964), (77, 397240), (88, 347585), (110, 278068), (140, 218482), (154, 198620), (220, 139034), (280, 109241), (308, 99310), (385, 79448), (440, 69517), (616, 49655), (770, 39724), (1540, 19862), (3080, 9931)]