211531140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1175173}}^1$

素因数の和:1175188

約数の個数: 36

約数和(自身を含む): 641645004

約数和(自身を除く): 430113864

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1175173, 2350346, 3525519, 4700692, 5875865, 7051038, 10576557, 11751730, 14102076, 17627595, 21153114, 23503460, 35255190, 42306228, 52882785, 70510380, 105765570, 211531140]

約数ペア:

[(1, 211531140), (2, 105765570), (3, 70510380), (4, 52882785), (5, 42306228), (6, 35255190), (9, 23503460), (10, 21153114), (12, 17627595), (15, 14102076), (18, 11751730), (20, 10576557), (30, 7051038), (36, 5875865), (45, 4700692), (60, 3525519), (90, 2350346), (180, 1175173)]