27245820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64871}}^1$

素因数の和:64890

約数の個数: 48

約数和(自身を含む): 87187968

約数和(自身を除く): 59942148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 64871, 129742, 194613, 259484, 324355, 389226, 454097, 648710, 778452, 908194, 973065, 1297420, 1362291, 1816388, 1946130, 2270485, 2724582, 3892260, 4540970, 5449164, 6811455, 9081940, 13622910, 27245820]

約数ペア:

[(1, 27245820), (2, 13622910), (3, 9081940), (4, 6811455), (5, 5449164), (6, 4540970), (7, 3892260), (10, 2724582), (12, 2270485), (14, 1946130), (15, 1816388), (20, 1362291), (21, 1297420), (28, 973065), (30, 908194), (35, 778452), (42, 648710), (60, 454097), (70, 389226), (84, 324355), (105, 259484), (140, 194613), (210, 129742), (420, 64871)]