72947560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{260527}}^1$

素因数の和:260545

約数の個数: 32

約数和(自身を含む): 187580160

約数和(自身を除く): 114632600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 260527, 521054, 1042108, 1302635, 1823689, 2084216, 2605270, 3647378, 5210540, 7294756, 9118445, 10421080, 14589512, 18236890, 36473780, 72947560]

約数ペア:

[(1, 72947560), (2, 36473780), (4, 18236890), (5, 14589512), (7, 10421080), (8, 9118445), (10, 7294756), (14, 5210540), (20, 3647378), (28, 2605270), (35, 2084216), (40, 1823689), (56, 1302635), (70, 1042108), (140, 521054), (280, 260527)]