78842640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328511}}^1$

素因数の和:328527

約数の個数: 40

約数和(自身を含む): 244412928

約数和(自身を除く): 165570288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328511, 657022, 985533, 1314044, 1642555, 1971066, 2628088, 3285110, 3942132, 4927665, 5256176, 6570220, 7884264, 9855330, 13140440, 15768528, 19710660, 26280880, 39421320, 78842640]

約数ペア:

[(1, 78842640), (2, 39421320), (3, 26280880), (4, 19710660), (5, 15768528), (6, 13140440), (8, 9855330), (10, 7884264), (12, 6570220), (15, 5256176), (16, 4927665), (20, 3942132), (24, 3285110), (30, 2628088), (40, 1971066), (48, 1642555), (60, 1314044), (80, 985533), (120, 657022), (240, 328511)]