1231781490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{8779}}^1$

素因数の和:10351

約数の個数: 48

約数和(自身を含む): 3205051200

約数和(自身を除く): 1973269710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1559, 3118, 4677, 7795, 8779, 9354, 14031, 15590, 17558, 23385, 26337, 28062, 43895, 46770, 52674, 70155, 79011, 87790, 131685, 140310, 158022, 263370, 395055, 790110, 13686461, 27372922, 41059383, 68432305, 82118766, 123178149, 136864610, 205296915, 246356298, 410593830, 615890745, 1231781490]

約数ペア:

[(1, 1231781490), (2, 615890745), (3, 410593830), (5, 246356298), (6, 205296915), (9, 136864610), (10, 123178149), (15, 82118766), (18, 68432305), (30, 41059383), (45, 27372922), (90, 13686461), (1559, 790110), (3118, 395055), (4677, 263370), (7795, 158022), (8779, 140310), (9354, 131685), (14031, 87790), (15590, 79011), (17558, 70155), (23385, 52674), (26337, 46770), (28062, 43895)]