20120460080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1\times {\mathrm{859}}^1$

素因数の和:1307

約数の個数: 160

約数和(自身を含む): 54074158080

約数和(自身を除く): 33953698000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 277, 280, 302, 554, 560, 604, 755, 859, 1057, 1108, 1208, 1385, 1510, 1718, 1939, 2114, 2216, 2416, 2770, 3020, 3436, 3878, 4228, 4295, 4432, 5285, 5540, 6013, 6040, 6872, 7756, 8456, 8590, 9695, 10570, 11080, 12026, 12080, 13744, 15512, 16912, 17180, 19390, 21140, 22160, 24052, 30065, 31024, 34360, 38780, 41827, 42280, 48104, 60130, 68720, 77560, 83654, 84560, 96208, 120260, 129709, 155120, 167308, 209135, 237943, 240520, 259418, 292789, 334616, 418270, 475886, 481040, 518836, 585578, 648545, 669232, 836540, 907963, 951772, 1037672, 1171156, 1189715, 1297090, 1463945, 1665601, 1673080, 1815926, 1903544, 2075344, 2342312, 2379430, 2594180, 2927890, 3331202, 3346160, 3631852, 3807088, 4539815, 4684624, 4758860, 5188360, 5855780, 6662404, 7263704, 8328005, 9079630, 9517720, 10376720, 11711560, 13324808, 14527408, 16656010, 18159260, 19035440, 23423120, 26649616, 33312020, 35929393, 36318520, 66624040, 71858786, 72637040, 133248080, 143717572, 179646965, 251505751, 287435144, 359293930, 503011502, 574870288, 718587860, 1006023004, 1257528755, 1437175720, 2012046008, 2515057510, 2874351440, 4024092016, 5030115020, 10060230040, 20120460080]

約数ペア:

[(1, 20120460080), (2, 10060230040), (4, 5030115020), (5, 4024092016), (7, 2874351440), (8, 2515057510), (10, 2012046008), (14, 1437175720), (16, 1257528755), (20, 1006023004), (28, 718587860), (35, 574870288), (40, 503011502), (56, 359293930), (70, 287435144), (80, 251505751), (112, 179646965), (140, 143717572), (151, 133248080), (277, 72637040), (280, 71858786), (302, 66624040), (554, 36318520), (560, 35929393), (604, 33312020), (755, 26649616), (859, 23423120), (1057, 19035440), (1108, 18159260), (1208, 16656010), (1385, 14527408), (1510, 13324808), (1718, 11711560), (1939, 10376720), (2114, 9517720), (2216, 9079630), (2416, 8328005), (2770, 7263704), (3020, 6662404), (3436, 5855780), (3878, 5188360), (4228, 4758860), (4295, 4684624), (4432, 4539815), (5285, 3807088), (5540, 3631852), (6013, 3346160), (6040, 3331202), (6872, 2927890), (7756, 2594180), (8456, 2379430), (8590, 2342312), (9695, 2075344), (10570, 1903544), (11080, 1815926), (12026, 1673080), (12080, 1665601), (13744, 1463945), (15512, 1297090), (16912, 1189715), (17180, 1171156), (19390, 1037672), (21140, 951772), (22160, 907963), (24052, 836540), (30065, 669232), (31024, 648545), (34360, 585578), (38780, 518836), (41827, 481040), (42280, 475886), (48104, 418270), (60130, 334616), (68720, 292789), (77560, 259418), (83654, 240520), (84560, 237943), (96208, 209135), (120260, 167308), (129709, 155120)]