30006680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1520

約数の個数: 64

約数和(自身を含む): 75271680

約数和(自身を除く): 45265000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1451, 1880, 2068, 2585, 2902, 4136, 5170, 5804, 7255, 10340, 11608, 14510, 15961, 20680, 29020, 31922, 58040, 63844, 68197, 79805, 127688, 136394, 159610, 272788, 319220, 340985, 545576, 638440, 681970, 750167, 1363940, 1500334, 2727880, 3000668, 3750835, 6001336, 7501670, 15003340, 30006680]

約数ペア:

[(1, 30006680), (2, 15003340), (4, 7501670), (5, 6001336), (8, 3750835), (10, 3000668), (11, 2727880), (20, 1500334), (22, 1363940), (40, 750167), (44, 681970), (47, 638440), (55, 545576), (88, 340985), (94, 319220), (110, 272788), (188, 159610), (220, 136394), (235, 127688), (376, 79805), (440, 68197), (470, 63844), (517, 58040), (940, 31922), (1034, 29020), (1451, 20680), (1880, 15961), (2068, 14510), (2585, 11608), (2902, 10340), (4136, 7255), (5170, 5804)]