221972040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{616589}}^1$

素因数の和:616606

約数の個数: 48

約数和(自身を含む): 721410300

約数和(自身を除く): 499438260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 616589, 1233178, 1849767, 2466356, 3082945, 3699534, 4932712, 5549301, 6165890, 7399068, 9248835, 11098602, 12331780, 14798136, 18497670, 22197204, 24663560, 27746505, 36995340, 44394408, 55493010, 73990680, 110986020, 221972040]

約数ペア:

[(1, 221972040), (2, 110986020), (3, 73990680), (4, 55493010), (5, 44394408), (6, 36995340), (8, 27746505), (9, 24663560), (10, 22197204), (12, 18497670), (15, 14798136), (18, 12331780), (20, 11098602), (24, 9248835), (30, 7399068), (36, 6165890), (40, 5549301), (45, 4932712), (60, 3699534), (72, 3082945), (90, 2466356), (120, 1849767), (180, 1233178), (360, 616589)]