81004740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7459}}^1$

素因数の和:7652

約数の個数: 48

約数和(自身を含む): 228096960

約数和(自身を除く): 147092220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 2172, 2715, 3620, 5430, 7459, 10860, 14918, 22377, 29836, 37295, 44754, 74590, 89508, 111885, 149180, 223770, 447540, 1350079, 2700158, 4050237, 5400316, 6750395, 8100474, 13500790, 16200948, 20251185, 27001580, 40502370, 81004740]

約数ペア:

[(1, 81004740), (2, 40502370), (3, 27001580), (4, 20251185), (5, 16200948), (6, 13500790), (10, 8100474), (12, 6750395), (15, 5400316), (20, 4050237), (30, 2700158), (60, 1350079), (181, 447540), (362, 223770), (543, 149180), (724, 111885), (905, 89508), (1086, 74590), (1810, 44754), (2172, 37295), (2715, 29836), (3620, 22377), (5430, 14918), (7459, 10860)]