123723040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 144

約数和(自身を含む): 348872832

約数和(自身を除く): 225149792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 344, 367, 392, 430, 490, 560, 602, 688, 734, 784, 860, 980, 1120, 1204, 1376, 1468, 1505, 1568, 1720, 1835, 1960, 2107, 2408, 2569, 2936, 3010, 3440, 3670, 3920, 4214, 4816, 5138, 5872, 6020, 6880, 7340, 7840, 8428, 9632, 10276, 10535, 11744, 12040, 12845, 14680, 15781, 16856, 17983, 20552, 21070, 24080, 25690, 29360, 31562, 33712, 35966, 41104, 42140, 48160, 51380, 58720, 63124, 67424, 71932, 78905, 82208, 84280, 89915, 102760, 110467, 126248, 143864, 157810, 168560, 179830, 205520, 220934, 252496, 287728, 315620, 337120, 359660, 411040, 441868, 504992, 552335, 575456, 631240, 719320, 773269, 883736, 1104670, 1262480, 1438640, 1546538, 1767472, 2209340, 2524960, 2877280, 3093076, 3534944, 3866345, 4418680, 6186152, 7732690, 8837360, 12372304, 15465380, 17674720, 24744608, 30930760, 61861520, 123723040]

約数ペア:

[(1, 123723040), (2, 61861520), (4, 30930760), (5, 24744608), (7, 17674720), (8, 15465380), (10, 12372304), (14, 8837360), (16, 7732690), (20, 6186152), (28, 4418680), (32, 3866345), (35, 3534944), (40, 3093076), (43, 2877280), (49, 2524960), (56, 2209340), (70, 1767472), (80, 1546538), (86, 1438640), (98, 1262480), (112, 1104670), (140, 883736), (160, 773269), (172, 719320), (196, 631240), (215, 575456), (224, 552335), (245, 504992), (280, 441868), (301, 411040), (344, 359660), (367, 337120), (392, 315620), (430, 287728), (490, 252496), (560, 220934), (602, 205520), (688, 179830), (734, 168560), (784, 157810), (860, 143864), (980, 126248), (1120, 110467), (1204, 102760), (1376, 89915), (1468, 84280), (1505, 82208), (1568, 78905), (1720, 71932), (1835, 67424), (1960, 63124), (2107, 58720), (2408, 51380), (2569, 48160), (2936, 42140), (3010, 41104), (3440, 35966), (3670, 33712), (3920, 31562), (4214, 29360), (4816, 25690), (5138, 24080), (5872, 21070), (6020, 20552), (6880, 17983), (7340, 16856), (7840, 15781), (8428, 14680), (9632, 12845), (10276, 12040), (10535, 11744)]