206993280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8293}}^1$

素因数の和:8328

約数の個数: 128

約数和(自身を含む): 710629920

約数和(自身を除く): 503636640

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, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8293, 8320, 12480, 16586, 24879, 24960, 33172, 41465, 49758, 66344, 82930, 99516, 107809, 124395, 132688, 165860, 199032, 215618, 248790, 265376, 323427, 331720, 398064, 431236, 497580, 530752, 539045, 646854, 663440, 796128, 862472, 995160, 1061504, 1078090, 1293708, 1326880, 1592256, 1617135, 1724944, 1990320, 2156180, 2587416, 2653760, 3184512, 3234270, 3449888, 3980640, 4312360, 5174832, 5307520, 6468540, 6899776, 7961280, 8624720, 10349664, 12937080, 13799552, 15922560, 17249440, 20699328, 25874160, 34498880, 41398656, 51748320, 68997760, 103496640, 206993280]

約数ペア:

[(1, 206993280), (2, 103496640), (3, 68997760), (4, 51748320), (5, 41398656), (6, 34498880), (8, 25874160), (10, 20699328), (12, 17249440), (13, 15922560), (15, 13799552), (16, 12937080), (20, 10349664), (24, 8624720), (26, 7961280), (30, 6899776), (32, 6468540), (39, 5307520), (40, 5174832), (48, 4312360), (52, 3980640), (60, 3449888), (64, 3234270), (65, 3184512), (78, 2653760), (80, 2587416), (96, 2156180), (104, 1990320), (120, 1724944), (128, 1617135), (130, 1592256), (156, 1326880), (160, 1293708), (192, 1078090), (195, 1061504), (208, 995160), (240, 862472), (260, 796128), (312, 663440), (320, 646854), (384, 539045), (390, 530752), (416, 497580), (480, 431236), (520, 398064), (624, 331720), (640, 323427), (780, 265376), (832, 248790), (960, 215618), (1040, 199032), (1248, 165860), (1560, 132688), (1664, 124395), (1920, 107809), (2080, 99516), (2496, 82930), (3120, 66344), (4160, 49758), (4992, 41465), (6240, 33172), (8293, 24960), (8320, 24879), (12480, 16586)]