68753120

素因数分解:

$2^5\times 5^1\times {\mathrm{431}}^1\times {\mathrm{997}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 162969408

約数和(自身を除く): 94216288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 431, 862, 997, 1724, 1994, 2155, 3448, 3988, 4310, 4985, 6896, 7976, 8620, 9970, 13792, 15952, 17240, 19940, 31904, 34480, 39880, 68960, 79760, 159520, 429707, 859414, 1718828, 2148535, 3437656, 4297070, 6875312, 8594140, 13750624, 17188280, 34376560, 68753120]

約数ペア:

[(1, 68753120), (2, 34376560), (4, 17188280), (5, 13750624), (8, 8594140), (10, 6875312), (16, 4297070), (20, 3437656), (32, 2148535), (40, 1718828), (80, 859414), (160, 429707), (431, 159520), (862, 79760), (997, 68960), (1724, 39880), (1994, 34480), (2155, 31904), (3448, 19940), (3988, 17240), (4310, 15952), (4985, 13792), (6896, 9970), (7976, 8620)]