261724920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1559}}^1$

素因数の和:2972

約数の個数: 64

約数和(自身を含む): 786240000

約数和(自身を除く): 524515080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1399, 1559, 2798, 3118, 4197, 4677, 5596, 6236, 6995, 7795, 8394, 9354, 11192, 12472, 13990, 15590, 16788, 18708, 20985, 23385, 27980, 31180, 33576, 37416, 41970, 46770, 55960, 62360, 83940, 93540, 167880, 187080, 2181041, 4362082, 6543123, 8724164, 10905205, 13086246, 17448328, 21810410, 26172492, 32715615, 43620820, 52344984, 65431230, 87241640, 130862460, 261724920]

約数ペア:

[(1, 261724920), (2, 130862460), (3, 87241640), (4, 65431230), (5, 52344984), (6, 43620820), (8, 32715615), (10, 26172492), (12, 21810410), (15, 17448328), (20, 13086246), (24, 10905205), (30, 8724164), (40, 6543123), (60, 4362082), (120, 2181041), (1399, 187080), (1559, 167880), (2798, 93540), (3118, 83940), (4197, 62360), (4677, 55960), (5596, 46770), (6236, 41970), (6995, 37416), (7795, 33576), (8394, 31180), (9354, 27980), (11192, 23385), (12472, 20985), (13990, 18708), (15590, 16788)]