645861040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{5779}}^1$

素因数の和:5930

約数の個数: 80

約数和(自身を含む): 1651322880

約数和(自身を除く): 1005461840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 635, 880, 1016, 1270, 1397, 2032, 2540, 2794, 5080, 5588, 5779, 6985, 10160, 11176, 11558, 13970, 22352, 23116, 27940, 28895, 46232, 55880, 57790, 63569, 92464, 111760, 115580, 127138, 231160, 254276, 317845, 462320, 508552, 635690, 733933, 1017104, 1271380, 1467866, 2542760, 2935732, 3669665, 5085520, 5871464, 7339330, 8073263, 11742928, 14678660, 16146526, 29357320, 32293052, 40366315, 58714640, 64586104, 80732630, 129172208, 161465260, 322930520, 645861040]

約数ペア:

[(1, 645861040), (2, 322930520), (4, 161465260), (5, 129172208), (8, 80732630), (10, 64586104), (11, 58714640), (16, 40366315), (20, 32293052), (22, 29357320), (40, 16146526), (44, 14678660), (55, 11742928), (80, 8073263), (88, 7339330), (110, 5871464), (127, 5085520), (176, 3669665), (220, 2935732), (254, 2542760), (440, 1467866), (508, 1271380), (635, 1017104), (880, 733933), (1016, 635690), (1270, 508552), (1397, 462320), (2032, 317845), (2540, 254276), (2794, 231160), (5080, 127138), (5588, 115580), (5779, 111760), (6985, 92464), (10160, 63569), (11176, 57790), (11558, 55880), (13970, 46232), (22352, 28895), (23116, 27940)]