28620840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12553}}^1$

素因数の和:12586

約数の個数: 64

約数和(自身を含む): 90388800

約数和(自身を除く): 61767960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12553, 25106, 37659, 50212, 62765, 75318, 100424, 125530, 150636, 188295, 238507, 251060, 301272, 376590, 477014, 502120, 715521, 753180, 954028, 1192535, 1431042, 1506360, 1908056, 2385070, 2862084, 3577605, 4770140, 5724168, 7155210, 9540280, 14310420, 28620840]

約数ペア:

[(1, 28620840), (2, 14310420), (3, 9540280), (4, 7155210), (5, 5724168), (6, 4770140), (8, 3577605), (10, 2862084), (12, 2385070), (15, 1908056), (19, 1506360), (20, 1431042), (24, 1192535), (30, 954028), (38, 753180), (40, 715521), (57, 502120), (60, 477014), (76, 376590), (95, 301272), (114, 251060), (120, 238507), (152, 188295), (190, 150636), (228, 125530), (285, 100424), (380, 75318), (456, 62765), (570, 50212), (760, 37659), (1140, 25106), (2280, 12553)]