81609570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{129539}}^1$

素因数の和:129559

約数の個数: 48

約数和(自身を含む): 242498880

約数和(自身を除く): 160889310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 129539, 259078, 388617, 647695, 777234, 906773, 1165851, 1295390, 1813546, 1943085, 2331702, 2720319, 3886170, 4533865, 5440638, 5829255, 8160957, 9067730, 11658510, 13601595, 16321914, 27203190, 40804785, 81609570]

約数ペア:

[(1, 81609570), (2, 40804785), (3, 27203190), (5, 16321914), (6, 13601595), (7, 11658510), (9, 9067730), (10, 8160957), (14, 5829255), (15, 5440638), (18, 4533865), (21, 3886170), (30, 2720319), (35, 2331702), (42, 1943085), (45, 1813546), (63, 1295390), (70, 1165851), (90, 906773), (105, 777234), (126, 647695), (210, 388617), (315, 259078), (630, 129539)]