121438920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1531}}^1$

素因数の和:2206

約数の個数: 64

約数和(自身を含む): 365106240

約数和(自身を除く): 243667320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 661, 1322, 1531, 1983, 2644, 3062, 3305, 3966, 4593, 5288, 6124, 6610, 7655, 7932, 9186, 9915, 12248, 13220, 15310, 15864, 18372, 19830, 22965, 26440, 30620, 36744, 39660, 45930, 61240, 79320, 91860, 183720, 1011991, 2023982, 3035973, 4047964, 5059955, 6071946, 8095928, 10119910, 12143892, 15179865, 20239820, 24287784, 30359730, 40479640, 60719460, 121438920]

約数ペア:

[(1, 121438920), (2, 60719460), (3, 40479640), (4, 30359730), (5, 24287784), (6, 20239820), (8, 15179865), (10, 12143892), (12, 10119910), (15, 8095928), (20, 6071946), (24, 5059955), (30, 4047964), (40, 3035973), (60, 2023982), (120, 1011991), (661, 183720), (1322, 91860), (1531, 79320), (1983, 61240), (2644, 45930), (3062, 39660), (3305, 36744), (3966, 30620), (4593, 26440), (5288, 22965), (6124, 19830), (6610, 18372), (7655, 15864), (7932, 15310), (9186, 13220), (9915, 12248)]