81492768

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{40423}}^1$

素因数の和:40446

約数の個数: 72

約数和(自身を含む): 264858048

約数和(自身を除く): 183365280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 40423, 80846, 121269, 161692, 242538, 282961, 323384, 363807, 485076, 565922, 646768, 727614, 848883, 970152, 1131844, 1293536, 1455228, 1697766, 1940304, 2263688, 2546649, 2910456, 3395532, 3880608, 4527376, 5093298, 5820912, 6791064, 9054752, 10186596, 11641824, 13582128, 20373192, 27164256, 40746384, 81492768]

約数ペア:

[(1, 81492768), (2, 40746384), (3, 27164256), (4, 20373192), (6, 13582128), (7, 11641824), (8, 10186596), (9, 9054752), (12, 6791064), (14, 5820912), (16, 5093298), (18, 4527376), (21, 3880608), (24, 3395532), (28, 2910456), (32, 2546649), (36, 2263688), (42, 1940304), (48, 1697766), (56, 1455228), (63, 1293536), (72, 1131844), (84, 970152), (96, 848883), (112, 727614), (126, 646768), (144, 565922), (168, 485076), (224, 363807), (252, 323384), (288, 282961), (336, 242538), (504, 161692), (672, 121269), (1008, 80846), (2016, 40423)]