205810380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1143391}}^1$

素因数の和:1143406

約数の個数: 36

約数和(自身を含む): 624292032

約数和(自身を除く): 418481652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1143391, 2286782, 3430173, 4573564, 5716955, 6860346, 10290519, 11433910, 13720692, 17150865, 20581038, 22867820, 34301730, 41162076, 51452595, 68603460, 102905190, 205810380]

約数ペア:

[(1, 205810380), (2, 102905190), (3, 68603460), (4, 51452595), (5, 41162076), (6, 34301730), (9, 22867820), (10, 20581038), (12, 17150865), (15, 13720692), (18, 11433910), (20, 10290519), (30, 6860346), (36, 5716955), (45, 4573564), (60, 3430173), (90, 2286782), (180, 1143391)]