78837920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1702

約数の個数: 96

約数和(自身を含む): 217945728

約数和(自身を除く): 139107808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 70, 80, 86, 112, 140, 160, 172, 215, 224, 280, 301, 344, 430, 560, 602, 688, 860, 1120, 1204, 1376, 1505, 1637, 1720, 2408, 3010, 3274, 3440, 4816, 6020, 6548, 6880, 8185, 9632, 11459, 12040, 13096, 16370, 22918, 24080, 26192, 32740, 45836, 48160, 52384, 57295, 65480, 70391, 91672, 114590, 130960, 140782, 183344, 229180, 261920, 281564, 351955, 366688, 458360, 492737, 563128, 703910, 916720, 985474, 1126256, 1407820, 1833440, 1970948, 2252512, 2463685, 2815640, 3941896, 4927370, 5631280, 7883792, 9854740, 11262560, 15767584, 19709480, 39418960, 78837920]

約数ペア:

[(1, 78837920), (2, 39418960), (4, 19709480), (5, 15767584), (7, 11262560), (8, 9854740), (10, 7883792), (14, 5631280), (16, 4927370), (20, 3941896), (28, 2815640), (32, 2463685), (35, 2252512), (40, 1970948), (43, 1833440), (56, 1407820), (70, 1126256), (80, 985474), (86, 916720), (112, 703910), (140, 563128), (160, 492737), (172, 458360), (215, 366688), (224, 351955), (280, 281564), (301, 261920), (344, 229180), (430, 183344), (560, 140782), (602, 130960), (688, 114590), (860, 91672), (1120, 70391), (1204, 65480), (1376, 57295), (1505, 52384), (1637, 48160), (1720, 45836), (2408, 32740), (3010, 26192), (3274, 24080), (3440, 22918), (4816, 16370), (6020, 13096), (6548, 12040), (6880, 11459), (8185, 9632)]