661260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 1886976

約数和(自身を除く): 1225716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 107, 206, 214, 309, 321, 412, 428, 515, 535, 618, 642, 1030, 1070, 1236, 1284, 1545, 1605, 2060, 2140, 3090, 3210, 6180, 6420, 11021, 22042, 33063, 44084, 55105, 66126, 110210, 132252, 165315, 220420, 330630, 661260]

約数ペア:

[(1, 661260), (2, 330630), (3, 220420), (4, 165315), (5, 132252), (6, 110210), (10, 66126), (12, 55105), (15, 44084), (20, 33063), (30, 22042), (60, 11021), (103, 6420), (107, 6180), (206, 3210), (214, 3090), (309, 2140), (321, 2060), (412, 1605), (428, 1545), (515, 1284), (535, 1236), (618, 1070), (642, 1030)]