87780480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:502

約数の個数: 128

約数和(自身を含む): 282744000

約数和(自身を除く): 194963520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 262, 320, 349, 384, 393, 480, 524, 640, 655, 698, 786, 960, 1047, 1048, 1310, 1396, 1572, 1745, 1920, 1965, 2094, 2096, 2620, 2792, 3144, 3490, 3930, 4188, 4192, 5235, 5240, 5584, 6288, 6980, 7860, 8376, 8384, 10470, 10480, 11168, 12576, 13960, 15720, 16752, 16768, 20940, 20960, 22336, 25152, 27920, 31440, 33504, 41880, 41920, 44672, 45719, 50304, 55840, 62880, 67008, 83760, 83840, 91438, 111680, 125760, 134016, 137157, 167520, 182876, 223360, 228595, 251520, 274314, 335040, 365752, 457190, 548628, 670080, 685785, 731504, 914380, 1097256, 1371570, 1463008, 1828760, 2194512, 2743140, 2926016, 3657520, 4389024, 5486280, 5852032, 7315040, 8778048, 10972560, 14630080, 17556096, 21945120, 29260160, 43890240, 87780480]

約数ペア:

[(1, 87780480), (2, 43890240), (3, 29260160), (4, 21945120), (5, 17556096), (6, 14630080), (8, 10972560), (10, 8778048), (12, 7315040), (15, 5852032), (16, 5486280), (20, 4389024), (24, 3657520), (30, 2926016), (32, 2743140), (40, 2194512), (48, 1828760), (60, 1463008), (64, 1371570), (80, 1097256), (96, 914380), (120, 731504), (128, 685785), (131, 670080), (160, 548628), (192, 457190), (240, 365752), (262, 335040), (320, 274314), (349, 251520), (384, 228595), (393, 223360), (480, 182876), (524, 167520), (640, 137157), (655, 134016), (698, 125760), (786, 111680), (960, 91438), (1047, 83840), (1048, 83760), (1310, 67008), (1396, 62880), (1572, 55840), (1745, 50304), (1920, 45719), (1965, 44672), (2094, 41920), (2096, 41880), (2620, 33504), (2792, 31440), (3144, 27920), (3490, 25152), (3930, 22336), (4188, 20960), (4192, 20940), (5235, 16768), (5240, 16752), (5584, 15720), (6288, 13960), (6980, 12576), (7860, 11168), (8376, 10480), (8384, 10470)]