79828880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1811}}^1$

素因数の和:1872

約数の個数: 80

約数和(自身を含む): 202219200

約数和(自身を除く): 122390320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 1811, 2204, 2320, 2755, 3622, 4408, 5510, 7244, 8816, 9055, 11020, 14488, 18110, 22040, 28976, 34409, 36220, 44080, 52519, 68818, 72440, 105038, 137636, 144880, 172045, 210076, 262595, 275272, 344090, 420152, 525190, 550544, 688180, 840304, 997861, 1050380, 1376360, 1995722, 2100760, 2752720, 3991444, 4201520, 4989305, 7982888, 9978610, 15965776, 19957220, 39914440, 79828880]

約数ペア:

[(1, 79828880), (2, 39914440), (4, 19957220), (5, 15965776), (8, 9978610), (10, 7982888), (16, 4989305), (19, 4201520), (20, 3991444), (29, 2752720), (38, 2100760), (40, 1995722), (58, 1376360), (76, 1050380), (80, 997861), (95, 840304), (116, 688180), (145, 550544), (152, 525190), (190, 420152), (232, 344090), (290, 275272), (304, 262595), (380, 210076), (464, 172045), (551, 144880), (580, 137636), (760, 105038), (1102, 72440), (1160, 68818), (1520, 52519), (1811, 44080), (2204, 36220), (2320, 34409), (2755, 28976), (3622, 22040), (4408, 18110), (5510, 14488), (7244, 11020), (8816, 9055)]