81777660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1229}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 229370400

約数和(自身を除く): 147592740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1109, 1229, 2218, 2458, 3327, 3687, 4436, 4916, 5545, 6145, 6654, 7374, 11090, 12290, 13308, 14748, 16635, 18435, 22180, 24580, 33270, 36870, 66540, 73740, 1362961, 2725922, 4088883, 5451844, 6814805, 8177766, 13629610, 16355532, 20444415, 27259220, 40888830, 81777660]

約数ペア:

[(1, 81777660), (2, 40888830), (3, 27259220), (4, 20444415), (5, 16355532), (6, 13629610), (10, 8177766), (12, 6814805), (15, 5451844), (20, 4088883), (30, 2725922), (60, 1362961), (1109, 73740), (1229, 66540), (2218, 36870), (2458, 33270), (3327, 24580), (3687, 22180), (4436, 18435), (4916, 16635), (5545, 14748), (6145, 13308), (6654, 12290), (7374, 11090)]