861044343440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1389319}}^1$

素因数の和:1389520

約数の個数: 80

約数和(自身を含む): 2050769694720

約数和(自身を除く): 1189725351280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 127, 244, 254, 305, 488, 508, 610, 635, 976, 1016, 1220, 1270, 2032, 2440, 2540, 4880, 5080, 7747, 10160, 15494, 30988, 38735, 61976, 77470, 123952, 154940, 309880, 619760, 1389319, 2778638, 5557276, 6946595, 11114552, 13893190, 22229104, 27786380, 55572760, 84748459, 111145520, 169496918, 176443513, 338993836, 352887026, 423742295, 677987672, 705774052, 847484590, 882217565, 1355975344, 1411548104, 1694969180, 1764435130, 2823096208, 3389938360, 3528870260, 6779876720, 7057740520, 10763054293, 14115481040, 21526108586, 43052217172, 53815271465, 86104434344, 107630542930, 172208868688, 215261085860, 430522171720, 861044343440]

約数ペア:

[(1, 861044343440), (2, 430522171720), (4, 215261085860), (5, 172208868688), (8, 107630542930), (10, 86104434344), (16, 53815271465), (20, 43052217172), (40, 21526108586), (61, 14115481040), (80, 10763054293), (122, 7057740520), (127, 6779876720), (244, 3528870260), (254, 3389938360), (305, 2823096208), (488, 1764435130), (508, 1694969180), (610, 1411548104), (635, 1355975344), (976, 882217565), (1016, 847484590), (1220, 705774052), (1270, 677987672), (2032, 423742295), (2440, 352887026), (2540, 338993836), (4880, 176443513), (5080, 169496918), (7747, 111145520), (10160, 84748459), (15494, 55572760), (30988, 27786380), (38735, 22229104), (61976, 13893190), (77470, 11114552), (123952, 6946595), (154940, 5557276), (309880, 2778638), (619760, 1389319)]