81491616

素因数分解:

$2^5\times 3^3\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 239258880

約数和(自身を除く): 157767264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 257, 288, 367, 432, 514, 734, 771, 864, 1028, 1101, 1468, 1542, 2056, 2202, 2313, 2936, 3084, 3303, 4112, 4404, 4626, 5872, 6168, 6606, 6939, 8224, 8808, 9252, 9909, 11744, 12336, 13212, 13878, 17616, 18504, 19818, 24672, 26424, 27756, 35232, 37008, 39636, 52848, 55512, 74016, 79272, 94319, 105696, 111024, 158544, 188638, 222048, 282957, 317088, 377276, 565914, 754552, 848871, 1131828, 1509104, 1697742, 2263656, 2546613, 3018208, 3395484, 4527312, 5093226, 6790968, 9054624, 10186452, 13581936, 20372904, 27163872, 40745808, 81491616]

約数ペア:

[(1, 81491616), (2, 40745808), (3, 27163872), (4, 20372904), (6, 13581936), (8, 10186452), (9, 9054624), (12, 6790968), (16, 5093226), (18, 4527312), (24, 3395484), (27, 3018208), (32, 2546613), (36, 2263656), (48, 1697742), (54, 1509104), (72, 1131828), (96, 848871), (108, 754552), (144, 565914), (216, 377276), (257, 317088), (288, 282957), (367, 222048), (432, 188638), (514, 158544), (734, 111024), (771, 105696), (864, 94319), (1028, 79272), (1101, 74016), (1468, 55512), (1542, 52848), (2056, 39636), (2202, 37008), (2313, 35232), (2936, 27756), (3084, 26424), (3303, 24672), (4112, 19818), (4404, 18504), (4626, 17616), (5872, 13878), (6168, 13212), (6606, 12336), (6939, 11744), (8224, 9909), (8808, 9252)]