161231904

素因数分解:

$2^5\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1031}}^1$

素因数の和:1231

約数の個数: 96

約数和(自身を含む): 473316480

約数和(自身を除く): 312084576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 181, 216, 288, 362, 432, 543, 724, 864, 1031, 1086, 1448, 1629, 2062, 2172, 2896, 3093, 3258, 4124, 4344, 4887, 5792, 6186, 6516, 8248, 8688, 9279, 9774, 12372, 13032, 16496, 17376, 18558, 19548, 24744, 26064, 27837, 32992, 37116, 39096, 49488, 52128, 55674, 74232, 78192, 98976, 111348, 148464, 156384, 186611, 222696, 296928, 373222, 445392, 559833, 746444, 890784, 1119666, 1492888, 1679499, 2239332, 2985776, 3358998, 4478664, 5038497, 5971552, 6717996, 8957328, 10076994, 13435992, 17914656, 20153988, 26871984, 40307976, 53743968, 80615952, 161231904]

約数ペア:

[(1, 161231904), (2, 80615952), (3, 53743968), (4, 40307976), (6, 26871984), (8, 20153988), (9, 17914656), (12, 13435992), (16, 10076994), (18, 8957328), (24, 6717996), (27, 5971552), (32, 5038497), (36, 4478664), (48, 3358998), (54, 2985776), (72, 2239332), (96, 1679499), (108, 1492888), (144, 1119666), (181, 890784), (216, 746444), (288, 559833), (362, 445392), (432, 373222), (543, 296928), (724, 222696), (864, 186611), (1031, 156384), (1086, 148464), (1448, 111348), (1629, 98976), (2062, 78192), (2172, 74232), (2896, 55674), (3093, 52128), (3258, 49488), (4124, 39096), (4344, 37116), (4887, 32992), (5792, 27837), (6186, 26064), (6516, 24744), (8248, 19548), (8688, 18558), (9279, 17376), (9774, 16496), (12372, 13032)]