27215440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2156

約数の個数: 80

約数和(自身を含む): 75495168

約数和(自身を除く): 48279728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2113, 2576, 3220, 4226, 6440, 8452, 10565, 12880, 14791, 16904, 21130, 29582, 33808, 42260, 48599, 59164, 73955, 84520, 97198, 118328, 147910, 169040, 194396, 236656, 242995, 295820, 340193, 388792, 485990, 591640, 680386, 777584, 971980, 1183280, 1360772, 1700965, 1943960, 2721544, 3401930, 3887920, 5443088, 6803860, 13607720, 27215440]

約数ペア:

[(1, 27215440), (2, 13607720), (4, 6803860), (5, 5443088), (7, 3887920), (8, 3401930), (10, 2721544), (14, 1943960), (16, 1700965), (20, 1360772), (23, 1183280), (28, 971980), (35, 777584), (40, 680386), (46, 591640), (56, 485990), (70, 388792), (80, 340193), (92, 295820), (112, 242995), (115, 236656), (140, 194396), (161, 169040), (184, 147910), (230, 118328), (280, 97198), (322, 84520), (368, 73955), (460, 59164), (560, 48599), (644, 42260), (805, 33808), (920, 29582), (1288, 21130), (1610, 16904), (1840, 14791), (2113, 12880), (2576, 10565), (3220, 8452), (4226, 6440)]