16572660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21247}}^1$

素因数の和:21272

約数の個数: 48

約数和(自身を含む): 49975296

約数和(自身を除く): 33402636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21247, 42494, 63741, 84988, 106235, 127482, 212470, 254964, 276211, 318705, 424940, 552422, 637410, 828633, 1104844, 1274820, 1381055, 1657266, 2762110, 3314532, 4143165, 5524220, 8286330, 16572660]

約数ペア:

[(1, 16572660), (2, 8286330), (3, 5524220), (4, 4143165), (5, 3314532), (6, 2762110), (10, 1657266), (12, 1381055), (13, 1274820), (15, 1104844), (20, 828633), (26, 637410), (30, 552422), (39, 424940), (52, 318705), (60, 276211), (65, 254964), (78, 212470), (130, 127482), (156, 106235), (195, 84988), (260, 63741), (390, 42494), (780, 21247)]