1236957680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2208853}}^1$

素因数の和:2208873

約数の個数: 40

約数和(自身を含む): 3286774752

約数和(自身を除く): 2049817072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2208853, 4417706, 8835412, 11044265, 15461971, 17670824, 22088530, 30923942, 35341648, 44177060, 61847884, 77309855, 88354120, 123695768, 154619710, 176708240, 247391536, 309239420, 618478840, 1236957680]

約数ペア:

[(1, 1236957680), (2, 618478840), (4, 309239420), (5, 247391536), (7, 176708240), (8, 154619710), (10, 123695768), (14, 88354120), (16, 77309855), (20, 61847884), (28, 44177060), (35, 35341648), (40, 30923942), (56, 22088530), (70, 17670824), (80, 15461971), (112, 11044265), (140, 8835412), (280, 4417706), (560, 2208853)]