64488320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 173759040

約数和(自身を除く): 109270720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 299, 320, 337, 368, 416, 460, 520, 598, 640, 674, 736, 832, 920, 1040, 1196, 1348, 1472, 1495, 1664, 1685, 1840, 2080, 2392, 2696, 2944, 2990, 3370, 3680, 4160, 4381, 4784, 5392, 5980, 6740, 7360, 7751, 8320, 8762, 9568, 10784, 11960, 13480, 14720, 15502, 17524, 19136, 21568, 21905, 23920, 26960, 31004, 35048, 38272, 38755, 43136, 43810, 47840, 53920, 62008, 70096, 77510, 87620, 95680, 100763, 107840, 124016, 140192, 155020, 175240, 191360, 201526, 215680, 248032, 280384, 310040, 350480, 403052, 496064, 503815, 560768, 620080, 700960, 806104, 992128, 1007630, 1240160, 1401920, 1612208, 2015260, 2480320, 2803840, 3224416, 4030520, 4960640, 6448832, 8061040, 12897664, 16122080, 32244160, 64488320]

約数ペア:

[(1, 64488320), (2, 32244160), (4, 16122080), (5, 12897664), (8, 8061040), (10, 6448832), (13, 4960640), (16, 4030520), (20, 3224416), (23, 2803840), (26, 2480320), (32, 2015260), (40, 1612208), (46, 1401920), (52, 1240160), (64, 1007630), (65, 992128), (80, 806104), (92, 700960), (104, 620080), (115, 560768), (128, 503815), (130, 496064), (160, 403052), (184, 350480), (208, 310040), (230, 280384), (260, 248032), (299, 215680), (320, 201526), (337, 191360), (368, 175240), (416, 155020), (460, 140192), (520, 124016), (598, 107840), (640, 100763), (674, 95680), (736, 87620), (832, 77510), (920, 70096), (1040, 62008), (1196, 53920), (1348, 47840), (1472, 43810), (1495, 43136), (1664, 38755), (1685, 38272), (1840, 35048), (2080, 31004), (2392, 26960), (2696, 23920), (2944, 21905), (2990, 21568), (3370, 19136), (3680, 17524), (4160, 15502), (4381, 14720), (4784, 13480), (5392, 11960), (5980, 10784), (6740, 9568), (7360, 8762), (7751, 8320)]