5681480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 14826240

約数和(自身を除く): 9144760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 197, 206, 280, 394, 412, 515, 721, 788, 824, 985, 1030, 1379, 1442, 1576, 1970, 2060, 2758, 2884, 3605, 3940, 4120, 5516, 5768, 6895, 7210, 7880, 11032, 13790, 14420, 20291, 27580, 28840, 40582, 55160, 81164, 101455, 142037, 162328, 202910, 284074, 405820, 568148, 710185, 811640, 1136296, 1420370, 2840740, 5681480]

約数ペア:

[(1, 5681480), (2, 2840740), (4, 1420370), (5, 1136296), (7, 811640), (8, 710185), (10, 568148), (14, 405820), (20, 284074), (28, 202910), (35, 162328), (40, 142037), (56, 101455), (70, 81164), (103, 55160), (140, 40582), (197, 28840), (206, 27580), (280, 20291), (394, 14420), (412, 13790), (515, 11032), (721, 7880), (788, 7210), (824, 6895), (985, 5768), (1030, 5516), (1379, 4120), (1442, 3940), (1576, 3605), (1970, 2884), (2060, 2758)]