136640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1$

素因数の和:85

約数の個数: 56

約数和(自身を含む): 377952

約数和(自身を除く): 241312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 854, 976, 1120, 1220, 1708, 1952, 2135, 2240, 2440, 3416, 3904, 4270, 4880, 6832, 8540, 9760, 13664, 17080, 19520, 27328, 34160, 68320, 136640]

約数ペア:

[(1, 136640), (2, 68320), (4, 34160), (5, 27328), (7, 19520), (8, 17080), (10, 13664), (14, 9760), (16, 8540), (20, 6832), (28, 4880), (32, 4270), (35, 3904), (40, 3416), (56, 2440), (61, 2240), (64, 2135), (70, 1952), (80, 1708), (112, 1220), (122, 1120), (140, 976), (160, 854), (224, 610), (244, 560), (280, 488), (305, 448), (320, 427)]