123452560

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:454

約数の個数: 160

約数和(自身を含む): 366048000

約数和(自身を除く): 242595440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 343, 385, 392, 409, 440, 490, 539, 560, 616, 686, 770, 784, 818, 880, 980, 1078, 1232, 1372, 1540, 1636, 1715, 1960, 2045, 2156, 2695, 2744, 2863, 3080, 3272, 3430, 3773, 3920, 4090, 4312, 4499, 5390, 5488, 5726, 6160, 6544, 6860, 7546, 8180, 8624, 8998, 10780, 11452, 13720, 14315, 15092, 16360, 17996, 18865, 20041, 21560, 22495, 22904, 27440, 28630, 30184, 31493, 32720, 35992, 37730, 40082, 43120, 44990, 45808, 57260, 60368, 62986, 71984, 75460, 80164, 89980, 100205, 114520, 125972, 140287, 150920, 157465, 160328, 179960, 200410, 220451, 229040, 251944, 280574, 301840, 314930, 320656, 359920, 400820, 440902, 503888, 561148, 629860, 701435, 801640, 881804, 1102255, 1122296, 1259720, 1402870, 1543157, 1603280, 1763608, 2204510, 2244592, 2519440, 2805740, 3086314, 3527216, 4409020, 5611480, 6172628, 7715785, 8818040, 11222960, 12345256, 15431570, 17636080, 24690512, 30863140, 61726280, 123452560]

約数ペア:

[(1, 123452560), (2, 61726280), (4, 30863140), (5, 24690512), (7, 17636080), (8, 15431570), (10, 12345256), (11, 11222960), (14, 8818040), (16, 7715785), (20, 6172628), (22, 5611480), (28, 4409020), (35, 3527216), (40, 3086314), (44, 2805740), (49, 2519440), (55, 2244592), (56, 2204510), (70, 1763608), (77, 1603280), (80, 1543157), (88, 1402870), (98, 1259720), (110, 1122296), (112, 1102255), (140, 881804), (154, 801640), (176, 701435), (196, 629860), (220, 561148), (245, 503888), (280, 440902), (308, 400820), (343, 359920), (385, 320656), (392, 314930), (409, 301840), (440, 280574), (490, 251944), (539, 229040), (560, 220451), (616, 200410), (686, 179960), (770, 160328), (784, 157465), (818, 150920), (880, 140287), (980, 125972), (1078, 114520), (1232, 100205), (1372, 89980), (1540, 80164), (1636, 75460), (1715, 71984), (1960, 62986), (2045, 60368), (2156, 57260), (2695, 45808), (2744, 44990), (2863, 43120), (3080, 40082), (3272, 37730), (3430, 35992), (3773, 32720), (3920, 31493), (4090, 30184), (4312, 28630), (4499, 27440), (5390, 22904), (5488, 22495), (5726, 21560), (6160, 20041), (6544, 18865), (6860, 17996), (7546, 16360), (8180, 15092), (8624, 14315), (8998, 13720), (10780, 11452)]