71996680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 190733400

約数和(自身を除く): 118736720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 109, 140, 196, 218, 245, 280, 337, 392, 436, 490, 545, 674, 763, 872, 980, 1090, 1348, 1526, 1685, 1960, 2180, 2359, 2696, 3052, 3370, 3815, 4360, 4718, 5341, 6104, 6740, 7630, 9436, 10682, 11795, 13480, 15260, 16513, 18872, 21364, 23590, 26705, 30520, 33026, 36733, 42728, 47180, 53410, 66052, 73466, 82565, 94360, 106820, 132104, 146932, 165130, 183665, 213640, 257131, 293864, 330260, 367330, 514262, 660520, 734660, 1028524, 1285655, 1469320, 1799917, 2057048, 2571310, 3599834, 5142620, 7199668, 8999585, 10285240, 14399336, 17999170, 35998340, 71996680]

約数ペア:

[(1, 71996680), (2, 35998340), (4, 17999170), (5, 14399336), (7, 10285240), (8, 8999585), (10, 7199668), (14, 5142620), (20, 3599834), (28, 2571310), (35, 2057048), (40, 1799917), (49, 1469320), (56, 1285655), (70, 1028524), (98, 734660), (109, 660520), (140, 514262), (196, 367330), (218, 330260), (245, 293864), (280, 257131), (337, 213640), (392, 183665), (436, 165130), (490, 146932), (545, 132104), (674, 106820), (763, 94360), (872, 82565), (980, 73466), (1090, 66052), (1348, 53410), (1526, 47180), (1685, 42728), (1960, 36733), (2180, 33026), (2359, 30520), (2696, 26705), (3052, 23590), (3370, 21364), (3815, 18872), (4360, 16513), (4718, 15260), (5341, 13480), (6104, 11795), (6740, 10682), (7630, 9436)]