128287040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{57271}}^1$

素因数の和:57295

約数の個数: 56

約数和(自身を含む): 349130112

約数和(自身を除く): 220843072

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, 57271, 114542, 229084, 286355, 400897, 458168, 572710, 801794, 916336, 1145420, 1603588, 1832672, 2004485, 2290840, 3207176, 3665344, 4008970, 4581680, 6414352, 8017940, 9163360, 12828704, 16035880, 18326720, 25657408, 32071760, 64143520, 128287040]

約数ペア:

[(1, 128287040), (2, 64143520), (4, 32071760), (5, 25657408), (7, 18326720), (8, 16035880), (10, 12828704), (14, 9163360), (16, 8017940), (20, 6414352), (28, 4581680), (32, 4008970), (35, 3665344), (40, 3207176), (56, 2290840), (64, 2004485), (70, 1832672), (80, 1603588), (112, 1145420), (140, 916336), (160, 801794), (224, 572710), (280, 458168), (320, 400897), (448, 286355), (560, 229084), (1120, 114542), (2240, 57271)]