797409280

素因数分解:

$2^{15}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 1988069760

約数和(自身を除く): 1190660480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 157, 160, 248, 256, 310, 314, 320, 496, 512, 620, 628, 640, 785, 992, 1024, 1240, 1256, 1280, 1570, 1984, 2048, 2480, 2512, 2560, 3140, 3968, 4096, 4867, 4960, 5024, 5120, 6280, 7936, 8192, 9734, 9920, 10048, 10240, 12560, 15872, 16384, 19468, 19840, 20096, 20480, 24335, 25120, 31744, 32768, 38936, 39680, 40192, 40960, 48670, 50240, 63488, 77872, 79360, 80384, 81920, 97340, 100480, 126976, 155744, 158720, 160768, 163840, 194680, 200960, 253952, 311488, 317440, 321536, 389360, 401920, 507904, 622976, 634880, 643072, 778720, 803840, 1015808, 1245952, 1269760, 1286144, 1557440, 1607680, 2491904, 2539520, 2572288, 3114880, 3215360, 4983808, 5079040, 5144576, 6229760, 6430720, 9967616, 12459520, 12861440, 19935232, 24919040, 25722880, 39870464, 49838080, 79740928, 99676160, 159481856, 199352320, 398704640, 797409280]

約数ペア:

[(1, 797409280), (2, 398704640), (4, 199352320), (5, 159481856), (8, 99676160), (10, 79740928), (16, 49838080), (20, 39870464), (31, 25722880), (32, 24919040), (40, 19935232), (62, 12861440), (64, 12459520), (80, 9967616), (124, 6430720), (128, 6229760), (155, 5144576), (157, 5079040), (160, 4983808), (248, 3215360), (256, 3114880), (310, 2572288), (314, 2539520), (320, 2491904), (496, 1607680), (512, 1557440), (620, 1286144), (628, 1269760), (640, 1245952), (785, 1015808), (992, 803840), (1024, 778720), (1240, 643072), (1256, 634880), (1280, 622976), (1570, 507904), (1984, 401920), (2048, 389360), (2480, 321536), (2512, 317440), (2560, 311488), (3140, 253952), (3968, 200960), (4096, 194680), (4867, 163840), (4960, 160768), (5024, 158720), (5120, 155744), (6280, 126976), (7936, 100480), (8192, 97340), (9734, 81920), (9920, 80384), (10048, 79360), (10240, 77872), (12560, 63488), (15872, 50240), (16384, 48670), (19468, 40960), (19840, 40192), (20096, 39680), (20480, 38936), (24335, 32768), (25120, 31744)]