181579520

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1117}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 438756864

約数和(自身を除く): 257177344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1117, 1270, 1280, 2032, 2234, 2540, 4064, 4468, 5080, 5585, 8128, 8936, 10160, 11170, 16256, 17872, 20320, 22340, 32512, 35744, 40640, 44680, 71488, 81280, 89360, 141859, 142976, 162560, 178720, 283718, 285952, 357440, 567436, 709295, 714880, 1134872, 1418590, 1429760, 2269744, 2837180, 4539488, 5674360, 9078976, 11348720, 18157952, 22697440, 36315904, 45394880, 90789760, 181579520]

約数ペア:

[(1, 181579520), (2, 90789760), (4, 45394880), (5, 36315904), (8, 22697440), (10, 18157952), (16, 11348720), (20, 9078976), (32, 5674360), (40, 4539488), (64, 2837180), (80, 2269744), (127, 1429760), (128, 1418590), (160, 1134872), (254, 714880), (256, 709295), (320, 567436), (508, 357440), (635, 285952), (640, 283718), (1016, 178720), (1117, 162560), (1270, 142976), (1280, 141859), (2032, 89360), (2234, 81280), (2540, 71488), (4064, 44680), (4468, 40640), (5080, 35744), (5585, 32512), (8128, 22340), (8936, 20320), (10160, 17872), (11170, 16256)]