71425840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1811}}^1$

素因数の和:1870

約数の個数: 80

約数和(自身を含む): 181997280

約数和(自身を除く): 110571440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1811, 1972, 2320, 2465, 3622, 3944, 4930, 7244, 7888, 9055, 9860, 14488, 18110, 19720, 28976, 30787, 36220, 39440, 52519, 61574, 72440, 105038, 123148, 144880, 153935, 210076, 246296, 262595, 307870, 420152, 492592, 525190, 615740, 840304, 892823, 1050380, 1231480, 1785646, 2100760, 2462960, 3571292, 4201520, 4464115, 7142584, 8928230, 14285168, 17856460, 35712920, 71425840]

約数ペア:

[(1, 71425840), (2, 35712920), (4, 17856460), (5, 14285168), (8, 8928230), (10, 7142584), (16, 4464115), (17, 4201520), (20, 3571292), (29, 2462960), (34, 2100760), (40, 1785646), (58, 1231480), (68, 1050380), (80, 892823), (85, 840304), (116, 615740), (136, 525190), (145, 492592), (170, 420152), (232, 307870), (272, 262595), (290, 246296), (340, 210076), (464, 153935), (493, 144880), (580, 123148), (680, 105038), (986, 72440), (1160, 61574), (1360, 52519), (1811, 39440), (1972, 36220), (2320, 30787), (2465, 28976), (3622, 19720), (3944, 18110), (4930, 14488), (7244, 9860), (7888, 9055)]