1720177408

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 3493048832

約数和(自身を除く): 1772871424

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 157, 254, 256, 314, 337, 508, 628, 674, 1016, 1256, 1348, 2032, 2512, 2696, 4064, 5024, 5392, 8128, 10048, 10784, 16256, 19939, 20096, 21568, 32512, 39878, 40192, 42799, 43136, 52909, 79756, 85598, 86272, 105818, 159512, 171196, 211636, 319024, 342392, 423272, 638048, 684784, 846544, 1276096, 1369568, 1693088, 2552192, 2739136, 3386176, 5104384, 5478272, 6719443, 6772352, 10956544, 13438886, 13544704, 26877772, 53755544, 107511088, 215022176, 430044352, 860088704, 1720177408]

約数ペア:

[(1, 1720177408), (2, 860088704), (4, 430044352), (8, 215022176), (16, 107511088), (32, 53755544), (64, 26877772), (127, 13544704), (128, 13438886), (157, 10956544), (254, 6772352), (256, 6719443), (314, 5478272), (337, 5104384), (508, 3386176), (628, 2739136), (674, 2552192), (1016, 1693088), (1256, 1369568), (1348, 1276096), (2032, 846544), (2512, 684784), (2696, 638048), (4064, 423272), (5024, 342392), (5392, 319024), (8128, 211636), (10048, 171196), (10784, 159512), (16256, 105818), (19939, 86272), (20096, 85598), (21568, 79756), (32512, 52909), (39878, 43136), (40192, 42799)]