16464280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 42762240

約数和(自身を除く): 26297960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 463, 508, 635, 889, 926, 1016, 1270, 1778, 1852, 2315, 2540, 3241, 3556, 3704, 4445, 4630, 5080, 6482, 7112, 8890, 9260, 12964, 16205, 17780, 18520, 25928, 32410, 35560, 58801, 64820, 117602, 129640, 235204, 294005, 411607, 470408, 588010, 823214, 1176020, 1646428, 2058035, 2352040, 3292856, 4116070, 8232140, 16464280]

約数ペア:

[(1, 16464280), (2, 8232140), (4, 4116070), (5, 3292856), (7, 2352040), (8, 2058035), (10, 1646428), (14, 1176020), (20, 823214), (28, 588010), (35, 470408), (40, 411607), (56, 294005), (70, 235204), (127, 129640), (140, 117602), (254, 64820), (280, 58801), (463, 35560), (508, 32410), (635, 25928), (889, 18520), (926, 17780), (1016, 16205), (1270, 12964), (1778, 9260), (1852, 8890), (2315, 7112), (2540, 6482), (3241, 5080), (3556, 4630), (3704, 4445)]