120621920

素因数分解:

$2^5\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1447}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 285713568

約数和(自身を除く): 165091648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 521, 1042, 1447, 2084, 2605, 2894, 4168, 5210, 5788, 7235, 8336, 10420, 11576, 14470, 16672, 20840, 23152, 28940, 41680, 46304, 57880, 83360, 115760, 231520, 753887, 1507774, 3015548, 3769435, 6031096, 7538870, 12062192, 15077740, 24124384, 30155480, 60310960, 120621920]

約数ペア:

[(1, 120621920), (2, 60310960), (4, 30155480), (5, 24124384), (8, 15077740), (10, 12062192), (16, 7538870), (20, 6031096), (32, 3769435), (40, 3015548), (80, 1507774), (160, 753887), (521, 231520), (1042, 115760), (1447, 83360), (2084, 57880), (2605, 46304), (2894, 41680), (4168, 28940), (5210, 23152), (5788, 20840), (7235, 16672), (8336, 14470), (10420, 11576)]