78260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:72

約数の個数: 48

約数和(自身を含む): 206976

約数和(自身を除く): 128716

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 260, 301, 364, 430, 455, 559, 602, 860, 910, 1118, 1204, 1505, 1820, 2236, 2795, 3010, 3913, 5590, 6020, 7826, 11180, 15652, 19565, 39130, 78260]

約数ペア:

[(1, 78260), (2, 39130), (4, 19565), (5, 15652), (7, 11180), (10, 7826), (13, 6020), (14, 5590), (20, 3913), (26, 3010), (28, 2795), (35, 2236), (43, 1820), (52, 1505), (65, 1204), (70, 1118), (86, 910), (91, 860), (130, 602), (140, 559), (172, 455), (182, 430), (215, 364), (260, 301)]