15663021740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{648841}}^1$

素因数の和:648938

約数の個数: 48

約数和(自身を含む): 35317767744

約数和(自身を除く): 19654746004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 12070, 24140, 648841, 1297682, 2595364, 3244205, 6488410, 11030297, 12976820, 22060594, 44121188, 46067711, 55151485, 92135422, 110302970, 184270844, 220605940, 230338555, 460677110, 783151087, 921354220, 1566302174, 3132604348, 3915755435, 7831510870, 15663021740]

約数ペア:

[(1, 15663021740), (2, 7831510870), (4, 3915755435), (5, 3132604348), (10, 1566302174), (17, 921354220), (20, 783151087), (34, 460677110), (68, 230338555), (71, 220605940), (85, 184270844), (142, 110302970), (170, 92135422), (284, 55151485), (340, 46067711), (355, 44121188), (710, 22060594), (1207, 12976820), (1420, 11030297), (2414, 6488410), (4828, 3244205), (6035, 2595364), (12070, 1297682), (24140, 648841)]