15536720

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1407

約数の個数: 40

約数和(自身を含む): 36382344

約数和(自身を除く): 20845624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1237, 1256, 1570, 2474, 2512, 3140, 4948, 6185, 6280, 9896, 12370, 12560, 19792, 24740, 49480, 98960, 194209, 388418, 776836, 971045, 1553672, 1942090, 3107344, 3884180, 7768360, 15536720]

約数ペア:

[(1, 15536720), (2, 7768360), (4, 3884180), (5, 3107344), (8, 1942090), (10, 1553672), (16, 971045), (20, 776836), (40, 388418), (80, 194209), (157, 98960), (314, 49480), (628, 24740), (785, 19792), (1237, 12560), (1256, 12370), (1570, 9896), (2474, 6280), (2512, 6185), (3140, 4948)]