217723520

素因数分解:

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

素因数の和:2162

約数の個数: 128

約数和(自身を含む): 621008640

約数和(自身を除く): 403285120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1288, 1472, 1610, 1840, 2113, 2240, 2576, 2944, 3220, 3680, 4226, 4480, 5152, 6440, 7360, 8452, 10304, 10565, 12880, 14720, 14791, 16904, 20608, 21130, 25760, 29582, 33808, 42260, 48599, 51520, 59164, 67616, 73955, 84520, 97198, 103040, 118328, 135232, 147910, 169040, 194396, 236656, 242995, 270464, 295820, 338080, 340193, 388792, 473312, 485990, 591640, 676160, 680386, 777584, 946624, 971980, 1183280, 1352320, 1360772, 1555168, 1700965, 1893248, 1943960, 2366560, 2721544, 3110336, 3401930, 3887920, 4733120, 5443088, 6220672, 6803860, 7775840, 9466240, 10886176, 13607720, 15551680, 21772352, 27215440, 31103360, 43544704, 54430880, 108861760, 217723520]

約数ペア:

[(1, 217723520), (2, 108861760), (4, 54430880), (5, 43544704), (7, 31103360), (8, 27215440), (10, 21772352), (14, 15551680), (16, 13607720), (20, 10886176), (23, 9466240), (28, 7775840), (32, 6803860), (35, 6220672), (40, 5443088), (46, 4733120), (56, 3887920), (64, 3401930), (70, 3110336), (80, 2721544), (92, 2366560), (112, 1943960), (115, 1893248), (128, 1700965), (140, 1555168), (160, 1360772), (161, 1352320), (184, 1183280), (224, 971980), (230, 946624), (280, 777584), (320, 680386), (322, 676160), (368, 591640), (448, 485990), (460, 473312), (560, 388792), (640, 340193), (644, 338080), (736, 295820), (805, 270464), (896, 242995), (920, 236656), (1120, 194396), (1288, 169040), (1472, 147910), (1610, 135232), (1840, 118328), (2113, 103040), (2240, 97198), (2576, 84520), (2944, 73955), (3220, 67616), (3680, 59164), (4226, 51520), (4480, 48599), (5152, 42260), (6440, 33808), (7360, 29582), (8452, 25760), (10304, 21130), (10565, 20608), (12880, 16904), (14720, 14791)]