81899610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{563}}^1$

素因数の和:959

約数の個数: 64

約数和(自身を含む): 212623488

約数和(自身を除く): 130723878

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 373, 390, 563, 746, 1119, 1126, 1689, 1865, 2238, 2815, 3378, 3730, 4849, 5595, 5630, 7319, 8445, 9698, 11190, 14547, 14638, 16890, 21957, 24245, 29094, 36595, 43914, 48490, 72735, 73190, 109785, 145470, 209999, 219570, 419998, 629997, 1049995, 1259994, 2099990, 2729987, 3149985, 5459974, 6299970, 8189961, 13649935, 16379922, 27299870, 40949805, 81899610]

約数ペア:

[(1, 81899610), (2, 40949805), (3, 27299870), (5, 16379922), (6, 13649935), (10, 8189961), (13, 6299970), (15, 5459974), (26, 3149985), (30, 2729987), (39, 2099990), (65, 1259994), (78, 1049995), (130, 629997), (195, 419998), (373, 219570), (390, 209999), (563, 145470), (746, 109785), (1119, 73190), (1126, 72735), (1689, 48490), (1865, 43914), (2238, 36595), (2815, 29094), (3378, 24245), (3730, 21957), (4849, 16890), (5595, 14638), (5630, 14547), (7319, 11190), (8445, 9698)]