81795780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 273873600

約数和(自身を除く): 192077820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 109, 110, 132, 165, 180, 198, 218, 220, 327, 330, 379, 396, 436, 495, 545, 654, 660, 758, 981, 990, 1090, 1137, 1199, 1308, 1516, 1635, 1895, 1962, 1980, 2180, 2274, 2398, 3270, 3411, 3597, 3790, 3924, 4169, 4548, 4796, 4905, 5685, 5995, 6540, 6822, 7194, 7580, 8338, 9810, 10791, 11370, 11990, 12507, 13644, 14388, 16676, 17055, 17985, 19620, 20845, 21582, 22740, 23980, 25014, 34110, 35970, 37521, 41311, 41690, 43164, 50028, 53955, 62535, 68220, 71940, 75042, 82622, 83380, 107910, 123933, 125070, 150084, 165244, 187605, 206555, 215820, 247866, 250140, 371799, 375210, 413110, 454421, 495732, 619665, 743598, 750420, 826220, 908842, 1239330, 1363263, 1487196, 1817684, 1858995, 2272105, 2478660, 2726526, 3717990, 4089789, 4544210, 5453052, 6816315, 7435980, 8179578, 9088420, 13632630, 16359156, 20448945, 27265260, 40897890, 81795780]

約数ペア:

[(1, 81795780), (2, 40897890), (3, 27265260), (4, 20448945), (5, 16359156), (6, 13632630), (9, 9088420), (10, 8179578), (11, 7435980), (12, 6816315), (15, 5453052), (18, 4544210), (20, 4089789), (22, 3717990), (30, 2726526), (33, 2478660), (36, 2272105), (44, 1858995), (45, 1817684), (55, 1487196), (60, 1363263), (66, 1239330), (90, 908842), (99, 826220), (109, 750420), (110, 743598), (132, 619665), (165, 495732), (180, 454421), (198, 413110), (218, 375210), (220, 371799), (327, 250140), (330, 247866), (379, 215820), (396, 206555), (436, 187605), (495, 165244), (545, 150084), (654, 125070), (660, 123933), (758, 107910), (981, 83380), (990, 82622), (1090, 75042), (1137, 71940), (1199, 68220), (1308, 62535), (1516, 53955), (1635, 50028), (1895, 43164), (1962, 41690), (1980, 41311), (2180, 37521), (2274, 35970), (2398, 34110), (3270, 25014), (3411, 23980), (3597, 22740), (3790, 21582), (3924, 20845), (4169, 19620), (4548, 17985), (4796, 17055), (4905, 16676), (5685, 14388), (5995, 13644), (6540, 12507), (6822, 11990), (7194, 11370), (7580, 10791), (8338, 9810)]