8451520

素因数分解:

$2^6\times 5^1\times 7^4\times {\mathrm{11}}^1$

素因数の和:56

約数の個数: 140

約数和(自身を含む): 25612344

約数和(自身を除く): 17160824

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 343, 352, 385, 392, 440, 448, 490, 539, 560, 616, 686, 704, 770, 784, 880, 980, 1078, 1120, 1232, 1372, 1540, 1568, 1715, 1760, 1960, 2156, 2240, 2401, 2464, 2695, 2744, 3080, 3136, 3430, 3520, 3773, 3920, 4312, 4802, 4928, 5390, 5488, 6160, 6860, 7546, 7840, 8624, 9604, 10780, 10976, 12005, 12320, 13720, 15092, 15680, 17248, 18865, 19208, 21560, 21952, 24010, 24640, 26411, 27440, 30184, 34496, 37730, 38416, 43120, 48020, 52822, 54880, 60368, 75460, 76832, 86240, 96040, 105644, 109760, 120736, 132055, 150920, 153664, 172480, 192080, 211288, 241472, 264110, 301840, 384160, 422576, 528220, 603680, 768320, 845152, 1056440, 1207360, 1690304, 2112880, 4225760, 8451520]

約数ペア:

[(1, 8451520), (2, 4225760), (4, 2112880), (5, 1690304), (7, 1207360), (8, 1056440), (10, 845152), (11, 768320), (14, 603680), (16, 528220), (20, 422576), (22, 384160), (28, 301840), (32, 264110), (35, 241472), (40, 211288), (44, 192080), (49, 172480), (55, 153664), (56, 150920), (64, 132055), (70, 120736), (77, 109760), (80, 105644), (88, 96040), (98, 86240), (110, 76832), (112, 75460), (140, 60368), (154, 54880), (160, 52822), (176, 48020), (196, 43120), (220, 38416), (224, 37730), (245, 34496), (280, 30184), (308, 27440), (320, 26411), (343, 24640), (352, 24010), (385, 21952), (392, 21560), (440, 19208), (448, 18865), (490, 17248), (539, 15680), (560, 15092), (616, 13720), (686, 12320), (704, 12005), (770, 10976), (784, 10780), (880, 9604), (980, 8624), (1078, 7840), (1120, 7546), (1232, 6860), (1372, 6160), (1540, 5488), (1568, 5390), (1715, 4928), (1760, 4802), (1960, 4312), (2156, 3920), (2240, 3773), (2401, 3520), (2464, 3430), (2695, 3136), (2744, 3080)]