318355520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{142123}}^1$

素因数の和:142147

約数の個数: 56

約数和(自身を含む): 866387904

約数和(自身を除く): 548032384

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, 142123, 284246, 568492, 710615, 994861, 1136984, 1421230, 1989722, 2273968, 2842460, 3979444, 4547936, 4974305, 5684920, 7958888, 9095872, 9948610, 11369840, 15917776, 19897220, 22739680, 31835552, 39794440, 45479360, 63671104, 79588880, 159177760, 318355520]

約数ペア:

[(1, 318355520), (2, 159177760), (4, 79588880), (5, 63671104), (7, 45479360), (8, 39794440), (10, 31835552), (14, 22739680), (16, 19897220), (20, 15917776), (28, 11369840), (32, 9948610), (35, 9095872), (40, 7958888), (56, 5684920), (64, 4974305), (70, 4547936), (80, 3979444), (112, 2842460), (140, 2273968), (160, 1989722), (224, 1421230), (280, 1136984), (320, 994861), (448, 710615), (560, 568492), (1120, 284246), (2240, 142123)]