155568640

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:997

約数の個数: 80

約数和(自身を含む): 378984672

約数和(自身を除く): 223416032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 512, 536, 640, 670, 907, 1072, 1280, 1340, 1814, 2144, 2560, 2680, 3628, 4288, 4535, 5360, 7256, 8576, 9070, 10720, 14512, 17152, 18140, 21440, 29024, 34304, 36280, 42880, 58048, 60769, 72560, 85760, 116096, 121538, 145120, 171520, 232192, 243076, 290240, 303845, 464384, 486152, 580480, 607690, 972304, 1160960, 1215380, 1944608, 2321920, 2430760, 3889216, 4861520, 7778432, 9723040, 15556864, 19446080, 31113728, 38892160, 77784320, 155568640]

約数ペア:

[(1, 155568640), (2, 77784320), (4, 38892160), (5, 31113728), (8, 19446080), (10, 15556864), (16, 9723040), (20, 7778432), (32, 4861520), (40, 3889216), (64, 2430760), (67, 2321920), (80, 1944608), (128, 1215380), (134, 1160960), (160, 972304), (256, 607690), (268, 580480), (320, 486152), (335, 464384), (512, 303845), (536, 290240), (640, 243076), (670, 232192), (907, 171520), (1072, 145120), (1280, 121538), (1340, 116096), (1814, 85760), (2144, 72560), (2560, 60769), (2680, 58048), (3628, 42880), (4288, 36280), (4535, 34304), (5360, 29024), (7256, 21440), (8576, 18140), (9070, 17152), (10720, 14512)]