129393280

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1117}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 311318280

約数和(自身を除く): 181925000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 320, 362, 640, 724, 905, 1117, 1448, 1810, 2234, 2896, 3620, 4468, 5585, 5792, 7240, 8936, 11170, 11584, 14480, 17872, 22340, 23168, 28960, 35744, 44680, 57920, 71488, 89360, 115840, 142976, 178720, 202177, 357440, 404354, 714880, 808708, 1010885, 1617416, 2021770, 3234832, 4043540, 6469664, 8087080, 12939328, 16174160, 25878656, 32348320, 64696640, 129393280]

約数ペア:

[(1, 129393280), (2, 64696640), (4, 32348320), (5, 25878656), (8, 16174160), (10, 12939328), (16, 8087080), (20, 6469664), (32, 4043540), (40, 3234832), (64, 2021770), (80, 1617416), (128, 1010885), (160, 808708), (181, 714880), (320, 404354), (362, 357440), (640, 202177), (724, 178720), (905, 142976), (1117, 115840), (1448, 89360), (1810, 71488), (2234, 57920), (2896, 44680), (3620, 35744), (4468, 28960), (5585, 23168), (5792, 22340), (7240, 17872), (8936, 14480), (11170, 11584)]