178971120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 200

約数和(自身を含む): 631968480

約数和(自身を除く): 452997360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 108, 120, 135, 142, 144, 162, 180, 213, 216, 240, 270, 284, 324, 355, 360, 389, 405, 426, 432, 540, 568, 639, 648, 710, 720, 778, 810, 852, 1065, 1080, 1136, 1167, 1278, 1296, 1420, 1556, 1620, 1704, 1917, 1945, 2130, 2160, 2334, 2556, 2840, 3112, 3195, 3240, 3408, 3501, 3834, 3890, 4260, 4668, 5112, 5680, 5751, 5835, 6224, 6390, 6480, 7002, 7668, 7780, 8520, 9336, 9585, 10224, 10503, 11502, 11670, 12780, 14004, 15336, 15560, 17040, 17505, 18672, 19170, 21006, 23004, 23340, 25560, 27619, 28008, 28755, 30672, 31120, 31509, 35010, 38340, 42012, 46008, 46680, 51120, 52515, 55238, 56016, 57510, 63018, 70020, 76680, 82857, 84024, 92016, 93360, 105030, 110476, 115020, 126036, 138095, 140040, 153360, 157545, 165714, 168048, 210060, 220952, 230040, 248571, 252072, 276190, 280080, 315090, 331428, 414285, 420120, 441904, 460080, 497142, 504144, 552380, 630180, 662856, 745713, 828570, 840240, 994284, 1104760, 1242855, 1260360, 1325712, 1491426, 1657140, 1988568, 2209520, 2237139, 2485710, 2520720, 2982852, 3314280, 3728565, 3977136, 4474278, 4971420, 5965704, 6628560, 7457130, 8948556, 9942840, 11185695, 11931408, 14914260, 17897112, 19885680, 22371390, 29828520, 35794224, 44742780, 59657040, 89485560, 178971120]

約数ペア:

[(1, 178971120), (2, 89485560), (3, 59657040), (4, 44742780), (5, 35794224), (6, 29828520), (8, 22371390), (9, 19885680), (10, 17897112), (12, 14914260), (15, 11931408), (16, 11185695), (18, 9942840), (20, 8948556), (24, 7457130), (27, 6628560), (30, 5965704), (36, 4971420), (40, 4474278), (45, 3977136), (48, 3728565), (54, 3314280), (60, 2982852), (71, 2520720), (72, 2485710), (80, 2237139), (81, 2209520), (90, 1988568), (108, 1657140), (120, 1491426), (135, 1325712), (142, 1260360), (144, 1242855), (162, 1104760), (180, 994284), (213, 840240), (216, 828570), (240, 745713), (270, 662856), (284, 630180), (324, 552380), (355, 504144), (360, 497142), (389, 460080), (405, 441904), (426, 420120), (432, 414285), (540, 331428), (568, 315090), (639, 280080), (648, 276190), (710, 252072), (720, 248571), (778, 230040), (810, 220952), (852, 210060), (1065, 168048), (1080, 165714), (1136, 157545), (1167, 153360), (1278, 140040), (1296, 138095), (1420, 126036), (1556, 115020), (1620, 110476), (1704, 105030), (1917, 93360), (1945, 92016), (2130, 84024), (2160, 82857), (2334, 76680), (2556, 70020), (2840, 63018), (3112, 57510), (3195, 56016), (3240, 55238), (3408, 52515), (3501, 51120), (3834, 46680), (3890, 46008), (4260, 42012), (4668, 38340), (5112, 35010), (5680, 31509), (5751, 31120), (5835, 30672), (6224, 28755), (6390, 28008), (6480, 27619), (7002, 25560), (7668, 23340), (7780, 23004), (8520, 21006), (9336, 19170), (9585, 18672), (10224, 17505), (10503, 17040), (11502, 15560), (11670, 15336), (12780, 14004)]