15697220720

素因数分解:

$2^4\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{179849}}^1$

素因数の和:180953

約数の個数: 40

約数和(自身を含む): 36529693200

約数和(自身を除く): 20832472480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091, 2182, 4364, 5455, 8728, 10910, 17456, 21820, 43640, 87280, 179849, 359698, 719396, 899245, 1438792, 1798490, 2877584, 3596980, 7193960, 14387920, 196215259, 392430518, 784861036, 981076295, 1569722072, 1962152590, 3139444144, 3924305180, 7848610360, 15697220720]

約数ペア:

[(1, 15697220720), (2, 7848610360), (4, 3924305180), (5, 3139444144), (8, 1962152590), (10, 1569722072), (16, 981076295), (20, 784861036), (40, 392430518), (80, 196215259), (1091, 14387920), (2182, 7193960), (4364, 3596980), (5455, 2877584), (8728, 1798490), (10910, 1438792), (17456, 899245), (21820, 719396), (43640, 359698), (87280, 179849)]