82728880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 216481680

約数和(自身を除く): 133752800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 169, 208, 211, 232, 260, 290, 338, 377, 422, 464, 520, 580, 676, 754, 844, 845, 1040, 1055, 1160, 1352, 1508, 1688, 1690, 1885, 2110, 2320, 2704, 2743, 3016, 3376, 3380, 3770, 4220, 4901, 5486, 6032, 6119, 6760, 7540, 8440, 9802, 10972, 12238, 13520, 13715, 15080, 16880, 19604, 21944, 24476, 24505, 27430, 30160, 30595, 35659, 39208, 43888, 48952, 49010, 54860, 61190, 71318, 78416, 79547, 97904, 98020, 109720, 122380, 142636, 159094, 178295, 196040, 219440, 244760, 285272, 318188, 356590, 392080, 397735, 489520, 570544, 636376, 713180, 795470, 1034111, 1272752, 1426360, 1590940, 2068222, 2852720, 3181880, 4136444, 5170555, 6363760, 8272888, 10341110, 16545776, 20682220, 41364440, 82728880]

約数ペア:

[(1, 82728880), (2, 41364440), (4, 20682220), (5, 16545776), (8, 10341110), (10, 8272888), (13, 6363760), (16, 5170555), (20, 4136444), (26, 3181880), (29, 2852720), (40, 2068222), (52, 1590940), (58, 1426360), (65, 1272752), (80, 1034111), (104, 795470), (116, 713180), (130, 636376), (145, 570544), (169, 489520), (208, 397735), (211, 392080), (232, 356590), (260, 318188), (290, 285272), (338, 244760), (377, 219440), (422, 196040), (464, 178295), (520, 159094), (580, 142636), (676, 122380), (754, 109720), (844, 98020), (845, 97904), (1040, 79547), (1055, 78416), (1160, 71318), (1352, 61190), (1508, 54860), (1688, 49010), (1690, 48952), (1885, 43888), (2110, 39208), (2320, 35659), (2704, 30595), (2743, 30160), (3016, 27430), (3376, 24505), (3380, 24476), (3770, 21944), (4220, 19604), (4901, 16880), (5486, 15080), (6032, 13715), (6119, 13520), (6760, 12238), (7540, 10972), (8440, 9802)]