72609880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{259321}}^1$

素因数の和:259339

約数の個数: 32

約数和(自身を含む): 186711840

約数和(自身を除く): 114101960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 259321, 518642, 1037284, 1296605, 1815247, 2074568, 2593210, 3630494, 5186420, 7260988, 9076235, 10372840, 14521976, 18152470, 36304940, 72609880]

約数ペア:

[(1, 72609880), (2, 36304940), (4, 18152470), (5, 14521976), (7, 10372840), (8, 9076235), (10, 7260988), (14, 5186420), (20, 3630494), (28, 2593210), (35, 2074568), (40, 1815247), (56, 1296605), (70, 1037284), (140, 518642), (280, 259321)]