81271728

素因数分解:

$2^4\times 3^3\times {\mathrm{179}}^1\times {\mathrm{1051}}^1$

素因数の和:1247

約数の個数: 80

約数和(自身を含む): 234806400

約数和(自身を除く): 153534672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 179, 216, 358, 432, 537, 716, 1051, 1074, 1432, 1611, 2102, 2148, 2864, 3153, 3222, 4204, 4296, 4833, 6306, 6444, 8408, 8592, 9459, 9666, 12612, 12888, 16816, 18918, 19332, 25224, 25776, 28377, 37836, 38664, 50448, 56754, 75672, 77328, 113508, 151344, 188129, 227016, 376258, 454032, 564387, 752516, 1128774, 1505032, 1693161, 2257548, 3010064, 3386322, 4515096, 5079483, 6772644, 9030192, 10158966, 13545288, 20317932, 27090576, 40635864, 81271728]

約数ペア:

[(1, 81271728), (2, 40635864), (3, 27090576), (4, 20317932), (6, 13545288), (8, 10158966), (9, 9030192), (12, 6772644), (16, 5079483), (18, 4515096), (24, 3386322), (27, 3010064), (36, 2257548), (48, 1693161), (54, 1505032), (72, 1128774), (108, 752516), (144, 564387), (179, 454032), (216, 376258), (358, 227016), (432, 188129), (537, 151344), (716, 113508), (1051, 77328), (1074, 75672), (1432, 56754), (1611, 50448), (2102, 38664), (2148, 37836), (2864, 28377), (3153, 25776), (3222, 25224), (4204, 19332), (4296, 18918), (4833, 16816), (6306, 12888), (6444, 12612), (8408, 9666), (8592, 9459)]