7897140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 24323208

約数和(自身を除く): 16426068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 601, 657, 730, 876, 1095, 1202, 1314, 1460, 1803, 2190, 2404, 2628, 3005, 3285, 3606, 4380, 5409, 6010, 6570, 7212, 9015, 10818, 12020, 13140, 18030, 21636, 27045, 36060, 43873, 54090, 87746, 108180, 131619, 175492, 219365, 263238, 394857, 438730, 526476, 658095, 789714, 877460, 1316190, 1579428, 1974285, 2632380, 3948570, 7897140]

約数ペア:

[(1, 7897140), (2, 3948570), (3, 2632380), (4, 1974285), (5, 1579428), (6, 1316190), (9, 877460), (10, 789714), (12, 658095), (15, 526476), (18, 438730), (20, 394857), (30, 263238), (36, 219365), (45, 175492), (60, 131619), (73, 108180), (90, 87746), (146, 54090), (180, 43873), (219, 36060), (292, 27045), (365, 21636), (438, 18030), (601, 13140), (657, 12020), (730, 10818), (876, 9015), (1095, 7212), (1202, 6570), (1314, 6010), (1460, 5409), (1803, 4380), (2190, 3606), (2404, 3285), (2628, 3005)]