57621720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:929

約数の個数: 128

約数和(自身を含む): 190713600

約数和(自身を除く): 133091880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 859, 860, 1032, 1118, 1290, 1560, 1677, 1718, 1720, 2236, 2577, 2580, 2795, 3354, 3436, 4295, 4472, 5154, 5160, 5590, 6708, 6872, 8385, 8590, 10308, 11167, 11180, 12885, 13416, 16770, 17180, 20616, 22334, 22360, 25770, 33501, 33540, 34360, 36937, 44668, 51540, 55835, 67002, 67080, 73874, 89336, 103080, 110811, 111670, 134004, 147748, 167505, 184685, 221622, 223340, 268008, 295496, 335010, 369370, 443244, 446680, 480181, 554055, 670020, 738740, 886488, 960362, 1108110, 1340040, 1440543, 1477480, 1920724, 2216220, 2400905, 2881086, 3841448, 4432440, 4801810, 5762172, 7202715, 9603620, 11524344, 14405430, 19207240, 28810860, 57621720]

約数ペア:

[(1, 57621720), (2, 28810860), (3, 19207240), (4, 14405430), (5, 11524344), (6, 9603620), (8, 7202715), (10, 5762172), (12, 4801810), (13, 4432440), (15, 3841448), (20, 2881086), (24, 2400905), (26, 2216220), (30, 1920724), (39, 1477480), (40, 1440543), (43, 1340040), (52, 1108110), (60, 960362), (65, 886488), (78, 738740), (86, 670020), (104, 554055), (120, 480181), (129, 446680), (130, 443244), (156, 369370), (172, 335010), (195, 295496), (215, 268008), (258, 223340), (260, 221622), (312, 184685), (344, 167505), (390, 147748), (430, 134004), (516, 111670), (520, 110811), (559, 103080), (645, 89336), (780, 73874), (859, 67080), (860, 67002), (1032, 55835), (1118, 51540), (1290, 44668), (1560, 36937), (1677, 34360), (1718, 33540), (1720, 33501), (2236, 25770), (2577, 22360), (2580, 22334), (2795, 20616), (3354, 17180), (3436, 16770), (4295, 13416), (4472, 12885), (5154, 11180), (5160, 11167), (5590, 10308), (6708, 8590), (6872, 8385)]