7761280

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 18935280

約数和(自身を除く): 11174000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 181, 268, 320, 335, 362, 536, 640, 670, 724, 905, 1072, 1340, 1448, 1810, 2144, 2680, 2896, 3620, 4288, 5360, 5792, 7240, 8576, 10720, 11584, 12127, 14480, 21440, 23168, 24254, 28960, 42880, 48508, 57920, 60635, 97016, 115840, 121270, 194032, 242540, 388064, 485080, 776128, 970160, 1552256, 1940320, 3880640, 7761280]

約数ペア:

[(1, 7761280), (2, 3880640), (4, 1940320), (5, 1552256), (8, 970160), (10, 776128), (16, 485080), (20, 388064), (32, 242540), (40, 194032), (64, 121270), (67, 115840), (80, 97016), (128, 60635), (134, 57920), (160, 48508), (181, 42880), (268, 28960), (320, 24254), (335, 23168), (362, 21440), (536, 14480), (640, 12127), (670, 11584), (724, 10720), (905, 8576), (1072, 7240), (1340, 5792), (1448, 5360), (1810, 4288), (2144, 3620), (2680, 2896)]