80670720

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:146

約数の個数: 208

約数和(自身を含む): 280721952

約数和(自身を除く): 200051232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 101, 104, 120, 128, 130, 156, 160, 192, 195, 202, 208, 240, 256, 260, 303, 312, 320, 384, 390, 404, 416, 480, 505, 512, 520, 606, 624, 640, 768, 780, 808, 832, 960, 1010, 1024, 1040, 1212, 1248, 1280, 1313, 1515, 1536, 1560, 1616, 1664, 1920, 2020, 2048, 2080, 2424, 2496, 2560, 2626, 3030, 3072, 3120, 3232, 3328, 3840, 3939, 4040, 4096, 4160, 4848, 4992, 5120, 5252, 6060, 6144, 6240, 6464, 6565, 6656, 7680, 7878, 8080, 8320, 9696, 9984, 10240, 10504, 12120, 12288, 12480, 12928, 13130, 13312, 15360, 15756, 16160, 16640, 19392, 19695, 19968, 20480, 21008, 24240, 24960, 25856, 26260, 26624, 30720, 31512, 32320, 33280, 38784, 39390, 39936, 42016, 48480, 49920, 51712, 52520, 53248, 61440, 63024, 64640, 66560, 77568, 78780, 79872, 84032, 96960, 99840, 103424, 105040, 126048, 129280, 133120, 155136, 157560, 159744, 168064, 193920, 199680, 206848, 210080, 252096, 258560, 266240, 310272, 315120, 336128, 387840, 399360, 413696, 420160, 504192, 517120, 620544, 630240, 672256, 775680, 798720, 840320, 1008384, 1034240, 1241088, 1260480, 1344512, 1551360, 1680640, 2016768, 2068480, 2520960, 2689024, 3102720, 3361280, 4033536, 5041920, 5378048, 6205440, 6722560, 8067072, 10083840, 13445120, 16134144, 20167680, 26890240, 40335360, 80670720]

約数ペア:

[(1, 80670720), (2, 40335360), (3, 26890240), (4, 20167680), (5, 16134144), (6, 13445120), (8, 10083840), (10, 8067072), (12, 6722560), (13, 6205440), (15, 5378048), (16, 5041920), (20, 4033536), (24, 3361280), (26, 3102720), (30, 2689024), (32, 2520960), (39, 2068480), (40, 2016768), (48, 1680640), (52, 1551360), (60, 1344512), (64, 1260480), (65, 1241088), (78, 1034240), (80, 1008384), (96, 840320), (101, 798720), (104, 775680), (120, 672256), (128, 630240), (130, 620544), (156, 517120), (160, 504192), (192, 420160), (195, 413696), (202, 399360), (208, 387840), (240, 336128), (256, 315120), (260, 310272), (303, 266240), (312, 258560), (320, 252096), (384, 210080), (390, 206848), (404, 199680), (416, 193920), (480, 168064), (505, 159744), (512, 157560), (520, 155136), (606, 133120), (624, 129280), (640, 126048), (768, 105040), (780, 103424), (808, 99840), (832, 96960), (960, 84032), (1010, 79872), (1024, 78780), (1040, 77568), (1212, 66560), (1248, 64640), (1280, 63024), (1313, 61440), (1515, 53248), (1536, 52520), (1560, 51712), (1616, 49920), (1664, 48480), (1920, 42016), (2020, 39936), (2048, 39390), (2080, 38784), (2424, 33280), (2496, 32320), (2560, 31512), (2626, 30720), (3030, 26624), (3072, 26260), (3120, 25856), (3232, 24960), (3328, 24240), (3840, 21008), (3939, 20480), (4040, 19968), (4096, 19695), (4160, 19392), (4848, 16640), (4992, 16160), (5120, 15756), (5252, 15360), (6060, 13312), (6144, 13130), (6240, 12928), (6464, 12480), (6565, 12288), (6656, 12120), (7680, 10504), (7878, 10240), (8080, 9984), (8320, 9696)]