68710760

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{7703}}^1$

素因数の和:7937

約数の個数: 32

約数和(自身を含む): 155312640

約数和(自身を除く): 86601880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 7703, 8920, 15406, 30812, 38515, 61624, 77030, 154060, 308120, 1717769, 3435538, 6871076, 8588845, 13742152, 17177690, 34355380, 68710760]

約数ペア:

[(1, 68710760), (2, 34355380), (4, 17177690), (5, 13742152), (8, 8588845), (10, 6871076), (20, 3435538), (40, 1717769), (223, 308120), (446, 154060), (892, 77030), (1115, 61624), (1784, 38515), (2230, 30812), (4460, 15406), (7703, 8920)]