81705930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6659}}^1$

素因数の和:7078

約数の個数: 32

約数和(自身を含む): 196603200

約数和(自身を除く): 114897270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 2045, 2454, 4090, 6135, 6659, 12270, 13318, 19977, 33295, 39954, 66590, 99885, 199770, 2723531, 5447062, 8170593, 13617655, 16341186, 27235310, 40852965, 81705930]

約数ペア:

[(1, 81705930), (2, 40852965), (3, 27235310), (5, 16341186), (6, 13617655), (10, 8170593), (15, 5447062), (30, 2723531), (409, 199770), (818, 99885), (1227, 66590), (2045, 39954), (2454, 33295), (4090, 19977), (6135, 13318), (6659, 12270)]