51721440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:684

約数の個数: 96

約数和(自身を含む): 163931040

約数和(自身を除く): 112209600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 277, 389, 480, 554, 778, 831, 1108, 1167, 1385, 1556, 1662, 1945, 2216, 2334, 2770, 3112, 3324, 3890, 4155, 4432, 4668, 5540, 5835, 6224, 6648, 7780, 8310, 8864, 9336, 11080, 11670, 12448, 13296, 15560, 16620, 18672, 22160, 23340, 26592, 31120, 33240, 37344, 44320, 46680, 62240, 66480, 93360, 107753, 132960, 186720, 215506, 323259, 431012, 538765, 646518, 862024, 1077530, 1293036, 1616295, 1724048, 2155060, 2586072, 3232590, 3448096, 4310120, 5172144, 6465180, 8620240, 10344288, 12930360, 17240480, 25860720, 51721440]

約数ペア:

[(1, 51721440), (2, 25860720), (3, 17240480), (4, 12930360), (5, 10344288), (6, 8620240), (8, 6465180), (10, 5172144), (12, 4310120), (15, 3448096), (16, 3232590), (20, 2586072), (24, 2155060), (30, 1724048), (32, 1616295), (40, 1293036), (48, 1077530), (60, 862024), (80, 646518), (96, 538765), (120, 431012), (160, 323259), (240, 215506), (277, 186720), (389, 132960), (480, 107753), (554, 93360), (778, 66480), (831, 62240), (1108, 46680), (1167, 44320), (1385, 37344), (1556, 33240), (1662, 31120), (1945, 26592), (2216, 23340), (2334, 22160), (2770, 18672), (3112, 16620), (3324, 15560), (3890, 13296), (4155, 12448), (4432, 11670), (4668, 11080), (5540, 9336), (5835, 8864), (6224, 8310), (6648, 7780)]