81562020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1359367}}^1$

素因数の和:1359379

約数の個数: 24

約数和(自身を含む): 228373824

約数和(自身を除く): 146811804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1359367, 2718734, 4078101, 5437468, 6796835, 8156202, 13593670, 16312404, 20390505, 27187340, 40781010, 81562020]

約数ペア:

[(1, 81562020), (2, 40781010), (3, 27187340), (4, 20390505), (5, 16312404), (6, 13593670), (10, 8156202), (12, 6796835), (15, 5437468), (20, 4078101), (30, 2718734), (60, 1359367)]