15903440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4057}}^1$

素因数の和:4084

約数の個数: 60

約数和(自身を含む): 43022916

約数和(自身を除く): 27119476

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4057, 8114, 16228, 20285, 28399, 32456, 40570, 56798, 64912, 81140, 113596, 141995, 162280, 198793, 227192, 283990, 324560, 397586, 454384, 567980, 795172, 993965, 1135960, 1590344, 1987930, 2271920, 3180688, 3975860, 7951720, 15903440]

約数ペア:

[(1, 15903440), (2, 7951720), (4, 3975860), (5, 3180688), (7, 2271920), (8, 1987930), (10, 1590344), (14, 1135960), (16, 993965), (20, 795172), (28, 567980), (35, 454384), (40, 397586), (49, 324560), (56, 283990), (70, 227192), (80, 198793), (98, 162280), (112, 141995), (140, 113596), (196, 81140), (245, 64912), (280, 56798), (392, 40570), (490, 32456), (560, 28399), (784, 20285), (980, 16228), (1960, 8114), (3920, 4057)]