129801320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1879}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 320803200

約数和(自身を除く): 191001880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 1879, 3140, 3454, 3758, 6280, 6908, 7516, 8635, 9395, 13816, 15032, 17270, 18790, 20669, 34540, 37580, 41338, 69080, 75160, 82676, 103345, 165352, 206690, 295003, 413380, 590006, 826760, 1180012, 1475015, 2360024, 2950030, 3245033, 5900060, 6490066, 11800120, 12980132, 16225165, 25960264, 32450330, 64900660, 129801320]

約数ペア:

[(1, 129801320), (2, 64900660), (4, 32450330), (5, 25960264), (8, 16225165), (10, 12980132), (11, 11800120), (20, 6490066), (22, 5900060), (40, 3245033), (44, 2950030), (55, 2360024), (88, 1475015), (110, 1180012), (157, 826760), (220, 590006), (314, 413380), (440, 295003), (628, 206690), (785, 165352), (1256, 103345), (1570, 82676), (1727, 75160), (1879, 69080), (3140, 41338), (3454, 37580), (3758, 34540), (6280, 20669), (6908, 18790), (7516, 17270), (8635, 15032), (9395, 13816)]