161887040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{72271}}^1$

素因数の和:72295

約数の個数: 56

約数和(自身を含む): 440570112

約数和(自身を除く): 278683072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 72271, 144542, 289084, 361355, 505897, 578168, 722710, 1011794, 1156336, 1445420, 2023588, 2312672, 2529485, 2890840, 4047176, 4625344, 5058970, 5781680, 8094352, 10117940, 11563360, 16188704, 20235880, 23126720, 32377408, 40471760, 80943520, 161887040]

約数ペア:

[(1, 161887040), (2, 80943520), (4, 40471760), (5, 32377408), (7, 23126720), (8, 20235880), (10, 16188704), (14, 11563360), (16, 10117940), (20, 8094352), (28, 5781680), (32, 5058970), (35, 4625344), (40, 4047176), (56, 2890840), (64, 2529485), (70, 2312672), (80, 2023588), (112, 1445420), (140, 1156336), (160, 1011794), (224, 722710), (280, 578168), (320, 505897), (448, 361355), (560, 289084), (1120, 144542), (2240, 72271)]