15490160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 41664000

約数和(自身を除く): 26173840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 199, 278, 280, 398, 556, 560, 695, 796, 973, 995, 1112, 1390, 1393, 1592, 1946, 1990, 2224, 2780, 2786, 3184, 3892, 3980, 4865, 5560, 5572, 6965, 7784, 7960, 9730, 11120, 11144, 13930, 15568, 15920, 19460, 22288, 27661, 27860, 38920, 55322, 55720, 77840, 110644, 111440, 138305, 193627, 221288, 276610, 387254, 442576, 553220, 774508, 968135, 1106440, 1549016, 1936270, 2212880, 3098032, 3872540, 7745080, 15490160]

約数ペア:

[(1, 15490160), (2, 7745080), (4, 3872540), (5, 3098032), (7, 2212880), (8, 1936270), (10, 1549016), (14, 1106440), (16, 968135), (20, 774508), (28, 553220), (35, 442576), (40, 387254), (56, 276610), (70, 221288), (80, 193627), (112, 138305), (139, 111440), (140, 110644), (199, 77840), (278, 55720), (280, 55322), (398, 38920), (556, 27860), (560, 27661), (695, 22288), (796, 19460), (973, 15920), (995, 15568), (1112, 13930), (1390, 11144), (1393, 11120), (1592, 9730), (1946, 7960), (1990, 7784), (2224, 6965), (2780, 5572), (2786, 5560), (3184, 4865), (3892, 3980)]