81384870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1039}}^1$

素因数の和:1429

約数の個数: 64

約数和(自身を含む): 224040960

約数和(自身を除く): 142656090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 373, 746, 1039, 1119, 1865, 2078, 2238, 2611, 3117, 3730, 5195, 5222, 5595, 6234, 7273, 7833, 10390, 11190, 13055, 14546, 15585, 15666, 21819, 26110, 31170, 36365, 39165, 43638, 72730, 78330, 109095, 218190, 387547, 775094, 1162641, 1937735, 2325282, 2712829, 3875470, 5425658, 5813205, 8138487, 11626410, 13564145, 16276974, 27128290, 40692435, 81384870]

約数ペア:

[(1, 81384870), (2, 40692435), (3, 27128290), (5, 16276974), (6, 13564145), (7, 11626410), (10, 8138487), (14, 5813205), (15, 5425658), (21, 3875470), (30, 2712829), (35, 2325282), (42, 1937735), (70, 1162641), (105, 775094), (210, 387547), (373, 218190), (746, 109095), (1039, 78330), (1119, 72730), (1865, 43638), (2078, 39165), (2238, 36365), (2611, 31170), (3117, 26110), (3730, 21819), (5195, 15666), (5222, 15585), (5595, 14546), (6234, 13055), (7273, 11190), (7833, 10390)]