67228720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 169989120

約数和(自身を除く): 102760400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 509, 520, 635, 1016, 1018, 1040, 1270, 1651, 2032, 2036, 2540, 2545, 3302, 4072, 5080, 5090, 6604, 6617, 8144, 8255, 10160, 10180, 13208, 13234, 16510, 20360, 26416, 26468, 33020, 33085, 40720, 52936, 64643, 66040, 66170, 105872, 129286, 132080, 132340, 258572, 264680, 323215, 517144, 529360, 646430, 840359, 1034288, 1292860, 1680718, 2585720, 3361436, 4201795, 5171440, 6722872, 8403590, 13445744, 16807180, 33614360, 67228720]

約数ペア:

[(1, 67228720), (2, 33614360), (4, 16807180), (5, 13445744), (8, 8403590), (10, 6722872), (13, 5171440), (16, 4201795), (20, 3361436), (26, 2585720), (40, 1680718), (52, 1292860), (65, 1034288), (80, 840359), (104, 646430), (127, 529360), (130, 517144), (208, 323215), (254, 264680), (260, 258572), (508, 132340), (509, 132080), (520, 129286), (635, 105872), (1016, 66170), (1018, 66040), (1040, 64643), (1270, 52936), (1651, 40720), (2032, 33085), (2036, 33020), (2540, 26468), (2545, 26416), (3302, 20360), (4072, 16510), (5080, 13234), (5090, 13208), (6604, 10180), (6617, 10160), (8144, 8255)]