128534820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20021}}^1$

素因数の和:20140

約数の個数: 48

約数和(自身を含む): 363279168

約数和(自身を除く): 234744348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 20021, 40042, 60063, 80084, 100105, 120126, 200210, 240252, 300315, 400420, 600630, 1201260, 2142247, 4284494, 6426741, 8568988, 10711235, 12853482, 21422470, 25706964, 32133705, 42844940, 64267410, 128534820]

約数ペア:

[(1, 128534820), (2, 64267410), (3, 42844940), (4, 32133705), (5, 25706964), (6, 21422470), (10, 12853482), (12, 10711235), (15, 8568988), (20, 6426741), (30, 4284494), (60, 2142247), (107, 1201260), (214, 600630), (321, 400420), (428, 300315), (535, 240252), (642, 200210), (1070, 120126), (1284, 100105), (1605, 80084), (2140, 60063), (3210, 40042), (6420, 20021)]