161774080

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4861}}^1$

素因数の和:4897

約数の個数: 80

約数和(自身を含む): 417801384

約数和(自身を除く): 256027304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 4861, 6656, 8320, 9722, 16640, 19444, 24305, 33280, 38888, 48610, 63193, 77776, 97220, 126386, 155552, 194440, 252772, 311104, 315965, 388880, 505544, 622208, 631930, 777760, 1011088, 1244416, 1263860, 1555520, 2022176, 2488832, 2527720, 3111040, 4044352, 5055440, 6222080, 8088704, 10110880, 12444160, 16177408, 20221760, 32354816, 40443520, 80887040, 161774080]

約数ペア:

[(1, 161774080), (2, 80887040), (4, 40443520), (5, 32354816), (8, 20221760), (10, 16177408), (13, 12444160), (16, 10110880), (20, 8088704), (26, 6222080), (32, 5055440), (40, 4044352), (52, 3111040), (64, 2527720), (65, 2488832), (80, 2022176), (104, 1555520), (128, 1263860), (130, 1244416), (160, 1011088), (208, 777760), (256, 631930), (260, 622208), (320, 505544), (416, 388880), (512, 315965), (520, 311104), (640, 252772), (832, 194440), (1040, 155552), (1280, 126386), (1664, 97220), (2080, 77776), (2560, 63193), (3328, 48610), (4160, 38888), (4861, 33280), (6656, 24305), (8320, 19444), (9722, 16640)]