61421520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{255923}}^1$

素因数の和:255939

約数の個数: 40

約数和(自身を含む): 190407456

約数和(自身を除く): 128985936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 255923, 511846, 767769, 1023692, 1279615, 1535538, 2047384, 2559230, 3071076, 3838845, 4094768, 5118460, 6142152, 7677690, 10236920, 12284304, 15355380, 20473840, 30710760, 61421520]

約数ペア:

[(1, 61421520), (2, 30710760), (3, 20473840), (4, 15355380), (5, 12284304), (6, 10236920), (8, 7677690), (10, 6142152), (12, 5118460), (15, 4094768), (16, 3838845), (20, 3071076), (24, 2559230), (30, 2047384), (40, 1535538), (48, 1279615), (60, 1023692), (80, 767769), (120, 511846), (240, 255923)]