80631760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1553}}^1$

素因数の和:1636

約数の個数: 80

約数和(自身を含む): 208111680

約数和(自身を除く): 127479920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 649, 880, 944, 1180, 1298, 1553, 2360, 2596, 3106, 3245, 4720, 5192, 6212, 6490, 7765, 10384, 12424, 12980, 15530, 17083, 24848, 25960, 31060, 34166, 51920, 62120, 68332, 85415, 91627, 124240, 136664, 170830, 183254, 273328, 341660, 366508, 458135, 683320, 733016, 916270, 1007897, 1366640, 1466032, 1832540, 2015794, 3665080, 4031588, 5039485, 7330160, 8063176, 10078970, 16126352, 20157940, 40315880, 80631760]

約数ペア:

[(1, 80631760), (2, 40315880), (4, 20157940), (5, 16126352), (8, 10078970), (10, 8063176), (11, 7330160), (16, 5039485), (20, 4031588), (22, 3665080), (40, 2015794), (44, 1832540), (55, 1466032), (59, 1366640), (80, 1007897), (88, 916270), (110, 733016), (118, 683320), (176, 458135), (220, 366508), (236, 341660), (295, 273328), (440, 183254), (472, 170830), (590, 136664), (649, 124240), (880, 91627), (944, 85415), (1180, 68332), (1298, 62120), (1553, 51920), (2360, 34166), (2596, 31060), (3106, 25960), (3245, 24848), (4720, 17083), (5192, 15530), (6212, 12980), (6490, 12424), (7765, 10384)]