342670720

素因数分解:

$2^7\times 5^1\times 7^4\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 160

約数和(自身を含む): 959958720

約数和(自身を除く): 617288000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 223, 224, 245, 280, 320, 343, 392, 446, 448, 490, 560, 640, 686, 784, 892, 896, 980, 1115, 1120, 1372, 1561, 1568, 1715, 1784, 1960, 2230, 2240, 2401, 2744, 3122, 3136, 3430, 3568, 3920, 4460, 4480, 4802, 5488, 6244, 6272, 6860, 7136, 7805, 7840, 8920, 9604, 10927, 10976, 12005, 12488, 13720, 14272, 15610, 15680, 17840, 19208, 21854, 21952, 24010, 24976, 27440, 28544, 31220, 31360, 35680, 38416, 43708, 43904, 48020, 49952, 54635, 54880, 62440, 71360, 76489, 76832, 87416, 96040, 99904, 109270, 109760, 124880, 142720, 152978, 153664, 174832, 192080, 199808, 218540, 219520, 249760, 305956, 307328, 349664, 382445, 384160, 437080, 499520, 535423, 611912, 699328, 764890, 768320, 874160, 999040, 1070846, 1223824, 1398656, 1529780, 1536640, 1748320, 2141692, 2447648, 2677115, 3059560, 3496640, 4283384, 4895296, 5354230, 6119120, 6993280, 8566768, 9790592, 10708460, 12238240, 17133536, 21416920, 24476480, 34267072, 42833840, 48952960, 68534144, 85667680, 171335360, 342670720]

約数ペア:

[(1, 342670720), (2, 171335360), (4, 85667680), (5, 68534144), (7, 48952960), (8, 42833840), (10, 34267072), (14, 24476480), (16, 21416920), (20, 17133536), (28, 12238240), (32, 10708460), (35, 9790592), (40, 8566768), (49, 6993280), (56, 6119120), (64, 5354230), (70, 4895296), (80, 4283384), (98, 3496640), (112, 3059560), (128, 2677115), (140, 2447648), (160, 2141692), (196, 1748320), (223, 1536640), (224, 1529780), (245, 1398656), (280, 1223824), (320, 1070846), (343, 999040), (392, 874160), (446, 768320), (448, 764890), (490, 699328), (560, 611912), (640, 535423), (686, 499520), (784, 437080), (892, 384160), (896, 382445), (980, 349664), (1115, 307328), (1120, 305956), (1372, 249760), (1561, 219520), (1568, 218540), (1715, 199808), (1784, 192080), (1960, 174832), (2230, 153664), (2240, 152978), (2401, 142720), (2744, 124880), (3122, 109760), (3136, 109270), (3430, 99904), (3568, 96040), (3920, 87416), (4460, 76832), (4480, 76489), (4802, 71360), (5488, 62440), (6244, 54880), (6272, 54635), (6860, 49952), (7136, 48020), (7805, 43904), (7840, 43708), (8920, 38416), (9604, 35680), (10927, 31360), (10976, 31220), (12005, 28544), (12488, 27440), (13720, 24976), (14272, 24010), (15610, 21952), (15680, 21854), (17840, 19208)]