261871776

素因数分解:

$2^5\times 3^2\times {\mathrm{857}}^1\times {\mathrm{1061}}^1$

素因数の和:1934

約数の個数: 72

約数和(自身を含む): 746269524

約数和(自身を除く): 484397748

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 857, 1061, 1714, 2122, 2571, 3183, 3428, 4244, 5142, 6366, 6856, 7713, 8488, 9549, 10284, 12732, 13712, 15426, 16976, 19098, 20568, 25464, 27424, 30852, 33952, 38196, 41136, 50928, 61704, 76392, 82272, 101856, 123408, 152784, 246816, 305568, 909277, 1818554, 2727831, 3637108, 5455662, 7274216, 8183493, 10911324, 14548432, 16366986, 21822648, 29096864, 32733972, 43645296, 65467944, 87290592, 130935888, 261871776]

約数ペア:

[(1, 261871776), (2, 130935888), (3, 87290592), (4, 65467944), (6, 43645296), (8, 32733972), (9, 29096864), (12, 21822648), (16, 16366986), (18, 14548432), (24, 10911324), (32, 8183493), (36, 7274216), (48, 5455662), (72, 3637108), (96, 2727831), (144, 1818554), (288, 909277), (857, 305568), (1061, 246816), (1714, 152784), (2122, 123408), (2571, 101856), (3183, 82272), (3428, 76392), (4244, 61704), (5142, 50928), (6366, 41136), (6856, 38196), (7713, 33952), (8488, 30852), (9549, 27424), (10284, 25464), (12732, 20568), (13712, 19098), (15426, 16976)]