122578880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20161}}^1$

素因数の和:20197

約数の個数: 56

約数和(自身を含む): 307268880

約数和(自身を除く): 184690000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 20161, 40322, 80644, 100805, 161288, 201610, 322576, 383059, 403220, 645152, 766118, 806440, 1290304, 1532236, 1612880, 1915295, 3064472, 3225760, 3830590, 6128944, 6451520, 7661180, 12257888, 15322360, 24515776, 30644720, 61289440, 122578880]

約数ペア:

[(1, 122578880), (2, 61289440), (4, 30644720), (5, 24515776), (8, 15322360), (10, 12257888), (16, 7661180), (19, 6451520), (20, 6128944), (32, 3830590), (38, 3225760), (40, 3064472), (64, 1915295), (76, 1612880), (80, 1532236), (95, 1290304), (152, 806440), (160, 766118), (190, 645152), (304, 403220), (320, 383059), (380, 322576), (608, 201610), (760, 161288), (1216, 100805), (1520, 80644), (3040, 40322), (6080, 20161)]