2931780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 8293824

約数和(自身を除く): 5362044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 373, 393, 524, 655, 746, 786, 1119, 1310, 1492, 1572, 1865, 1965, 2238, 2620, 3730, 3930, 4476, 5595, 7460, 7860, 11190, 22380, 48863, 97726, 146589, 195452, 244315, 293178, 488630, 586356, 732945, 977260, 1465890, 2931780]

約数ペア:

[(1, 2931780), (2, 1465890), (3, 977260), (4, 732945), (5, 586356), (6, 488630), (10, 293178), (12, 244315), (15, 195452), (20, 146589), (30, 97726), (60, 48863), (131, 22380), (262, 11190), (373, 7860), (393, 7460), (524, 5595), (655, 4476), (746, 3930), (786, 3730), (1119, 2620), (1310, 2238), (1492, 1965), (1572, 1865)]