220242560

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 552562560

約数和(自身を除く): 332320000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 53, 64, 80, 86, 106, 128, 151, 160, 172, 212, 215, 265, 302, 320, 344, 424, 430, 530, 604, 640, 688, 755, 848, 860, 1060, 1208, 1376, 1510, 1696, 1720, 2120, 2279, 2416, 2752, 3020, 3392, 3440, 4240, 4558, 4832, 5504, 6040, 6493, 6784, 6880, 8003, 8480, 9116, 9664, 11395, 12080, 12986, 13760, 16006, 16960, 18232, 19328, 22790, 24160, 25972, 27520, 32012, 32465, 33920, 36464, 40015, 45580, 48320, 51944, 64024, 64930, 72928, 80030, 91160, 96640, 103888, 128048, 129860, 145856, 160060, 182320, 207776, 256096, 259720, 291712, 320120, 344129, 364640, 415552, 512192, 519440, 640240, 688258, 729280, 831104, 1024384, 1038880, 1280480, 1376516, 1458560, 1720645, 2077760, 2560960, 2753032, 3441290, 4155520, 5121920, 5506064, 6882580, 11012128, 13765160, 22024256, 27530320, 44048512, 55060640, 110121280, 220242560]

約数ペア:

[(1, 220242560), (2, 110121280), (4, 55060640), (5, 44048512), (8, 27530320), (10, 22024256), (16, 13765160), (20, 11012128), (32, 6882580), (40, 5506064), (43, 5121920), (53, 4155520), (64, 3441290), (80, 2753032), (86, 2560960), (106, 2077760), (128, 1720645), (151, 1458560), (160, 1376516), (172, 1280480), (212, 1038880), (215, 1024384), (265, 831104), (302, 729280), (320, 688258), (344, 640240), (424, 519440), (430, 512192), (530, 415552), (604, 364640), (640, 344129), (688, 320120), (755, 291712), (848, 259720), (860, 256096), (1060, 207776), (1208, 182320), (1376, 160060), (1510, 145856), (1696, 129860), (1720, 128048), (2120, 103888), (2279, 96640), (2416, 91160), (2752, 80030), (3020, 72928), (3392, 64930), (3440, 64024), (4240, 51944), (4558, 48320), (4832, 45580), (5504, 40015), (6040, 36464), (6493, 33920), (6784, 32465), (6880, 32012), (8003, 27520), (8480, 25972), (9116, 24160), (9664, 22790), (11395, 19328), (12080, 18232), (12986, 16960), (13760, 16006)]