160906400

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1447}}^1$

素因数の和:1606

約数の個数: 72

約数和(自身を含む): 395912160

約数和(自身を除く): 235005760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 278, 400, 556, 695, 800, 1112, 1390, 1447, 2224, 2780, 2894, 3475, 4448, 5560, 5788, 6950, 7235, 11120, 11576, 13900, 14470, 22240, 23152, 27800, 28940, 36175, 46304, 55600, 57880, 72350, 111200, 115760, 144700, 201133, 231520, 289400, 402266, 578800, 804532, 1005665, 1157600, 1609064, 2011330, 3218128, 4022660, 5028325, 6436256, 8045320, 10056650, 16090640, 20113300, 32181280, 40226600, 80453200, 160906400]

約数ペア:

[(1, 160906400), (2, 80453200), (4, 40226600), (5, 32181280), (8, 20113300), (10, 16090640), (16, 10056650), (20, 8045320), (25, 6436256), (32, 5028325), (40, 4022660), (50, 3218128), (80, 2011330), (100, 1609064), (139, 1157600), (160, 1005665), (200, 804532), (278, 578800), (400, 402266), (556, 289400), (695, 231520), (800, 201133), (1112, 144700), (1390, 115760), (1447, 111200), (2224, 72350), (2780, 57880), (2894, 55600), (3475, 46304), (4448, 36175), (5560, 28940), (5788, 27800), (6950, 23152), (7235, 22240), (11120, 14470), (11576, 13900)]