161801360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{288931}}^1$

素因数の和:288951

約数の個数: 40

約数和(自身を含む): 429930816

約数和(自身を除く): 268129456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 288931, 577862, 1155724, 1444655, 2022517, 2311448, 2889310, 4045034, 4622896, 5778620, 8090068, 10112585, 11557240, 16180136, 20225170, 23114480, 32360272, 40450340, 80900680, 161801360]

約数ペア:

[(1, 161801360), (2, 80900680), (4, 40450340), (5, 32360272), (7, 23114480), (8, 20225170), (10, 16180136), (14, 11557240), (16, 10112585), (20, 8090068), (28, 5778620), (35, 4622896), (40, 4045034), (56, 2889310), (70, 2311448), (80, 2022517), (112, 1444655), (140, 1155724), (280, 577862), (560, 288931)]