557424640

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:501

約数の個数: 112

約数和(自身を含む): 1384035840

約数和(自身を除く): 826611200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 439, 496, 512, 620, 640, 878, 992, 1024, 1240, 1280, 1756, 1984, 2048, 2195, 2480, 2560, 3512, 3968, 4096, 4390, 4960, 5120, 7024, 7936, 8192, 8780, 9920, 10240, 13609, 14048, 15872, 17560, 19840, 20480, 27218, 28096, 31744, 35120, 39680, 40960, 54436, 56192, 63488, 68045, 70240, 79360, 108872, 112384, 126976, 136090, 140480, 158720, 217744, 224768, 253952, 272180, 280960, 317440, 435488, 449536, 544360, 561920, 634880, 870976, 899072, 1088720, 1123840, 1269760, 1741952, 1798144, 2177440, 2247680, 3483904, 3596288, 4354880, 4495360, 6967808, 8709760, 8990720, 13935616, 17419520, 17981440, 27871232, 34839040, 55742464, 69678080, 111484928, 139356160, 278712320, 557424640]

約数ペア:

[(1, 557424640), (2, 278712320), (4, 139356160), (5, 111484928), (8, 69678080), (10, 55742464), (16, 34839040), (20, 27871232), (31, 17981440), (32, 17419520), (40, 13935616), (62, 8990720), (64, 8709760), (80, 6967808), (124, 4495360), (128, 4354880), (155, 3596288), (160, 3483904), (248, 2247680), (256, 2177440), (310, 1798144), (320, 1741952), (439, 1269760), (496, 1123840), (512, 1088720), (620, 899072), (640, 870976), (878, 634880), (992, 561920), (1024, 544360), (1240, 449536), (1280, 435488), (1756, 317440), (1984, 280960), (2048, 272180), (2195, 253952), (2480, 224768), (2560, 217744), (3512, 158720), (3968, 140480), (4096, 136090), (4390, 126976), (4960, 112384), (5120, 108872), (7024, 79360), (7936, 70240), (8192, 68045), (8780, 63488), (9920, 56192), (10240, 54436), (13609, 40960), (14048, 39680), (15872, 35120), (17560, 31744), (19840, 28096), (20480, 27218)]