78661320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{655511}}^1$

素因数の和:655525

約数の個数: 32

約数和(自身を含む): 235984320

約数和(自身を除く): 157323000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 655511, 1311022, 1966533, 2622044, 3277555, 3933066, 5244088, 6555110, 7866132, 9832665, 13110220, 15732264, 19665330, 26220440, 39330660, 78661320]

約数ペア:

[(1, 78661320), (2, 39330660), (3, 26220440), (4, 19665330), (5, 15732264), (6, 13110220), (8, 9832665), (10, 7866132), (12, 6555110), (15, 5244088), (20, 3933066), (24, 3277555), (30, 2622044), (40, 1966533), (60, 1311022), (120, 655511)]