77649520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 195924960

約数和(自身を除く): 118275440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 379, 394, 520, 758, 788, 985, 1040, 1516, 1576, 1895, 1970, 2561, 3032, 3152, 3790, 3940, 4927, 5122, 6064, 7580, 7880, 9854, 10244, 12805, 15160, 15760, 19708, 20488, 24635, 25610, 30320, 39416, 40976, 49270, 51220, 74663, 78832, 98540, 102440, 149326, 197080, 204880, 298652, 373315, 394160, 597304, 746630, 970619, 1194608, 1493260, 1941238, 2986520, 3882476, 4853095, 5973040, 7764952, 9706190, 15529904, 19412380, 38824760, 77649520]

約数ペア:

[(1, 77649520), (2, 38824760), (4, 19412380), (5, 15529904), (8, 9706190), (10, 7764952), (13, 5973040), (16, 4853095), (20, 3882476), (26, 2986520), (40, 1941238), (52, 1493260), (65, 1194608), (80, 970619), (104, 746630), (130, 597304), (197, 394160), (208, 373315), (260, 298652), (379, 204880), (394, 197080), (520, 149326), (758, 102440), (788, 98540), (985, 78832), (1040, 74663), (1516, 51220), (1576, 49270), (1895, 40976), (1970, 39416), (2561, 30320), (3032, 25610), (3152, 24635), (3790, 20488), (3940, 19708), (4927, 15760), (5122, 15160), (6064, 12805), (7580, 10244), (7880, 9854)]