681900880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{10433}}^1$

素因数の和:10508

約数の個数: 80

約数和(自身を含む): 1707837120

約数和(自身を除く): 1025936240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 3268, 3440, 4085, 6536, 8170, 10433, 13072, 16340, 20866, 32680, 41732, 52165, 65360, 83464, 104330, 166928, 198227, 208660, 396454, 417320, 448619, 792908, 834640, 897238, 991135, 1585816, 1794476, 1982270, 2243095, 3171632, 3588952, 3964540, 4486190, 7177904, 7929080, 8523761, 8972380, 15858160, 17047522, 17944760, 34095044, 35889520, 42618805, 68190088, 85237610, 136380176, 170475220, 340950440, 681900880]

約数ペア:

[(1, 681900880), (2, 340950440), (4, 170475220), (5, 136380176), (8, 85237610), (10, 68190088), (16, 42618805), (19, 35889520), (20, 34095044), (38, 17944760), (40, 17047522), (43, 15858160), (76, 8972380), (80, 8523761), (86, 7929080), (95, 7177904), (152, 4486190), (172, 3964540), (190, 3588952), (215, 3171632), (304, 2243095), (344, 1982270), (380, 1794476), (430, 1585816), (688, 991135), (760, 897238), (817, 834640), (860, 792908), (1520, 448619), (1634, 417320), (1720, 396454), (3268, 208660), (3440, 198227), (4085, 166928), (6536, 104330), (8170, 83464), (10433, 65360), (13072, 52165), (16340, 41732), (20866, 32680)]