64960320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:608

約数の個数: 112

約数和(自身を含む): 208044288

約数和(自身を除く): 143083968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 157, 160, 192, 240, 314, 320, 431, 471, 480, 628, 785, 862, 942, 960, 1256, 1293, 1570, 1724, 1884, 2155, 2355, 2512, 2586, 3140, 3448, 3768, 4310, 4710, 5024, 5172, 6280, 6465, 6896, 7536, 8620, 9420, 10048, 10344, 12560, 12930, 13792, 15072, 17240, 18840, 20688, 25120, 25860, 27584, 30144, 34480, 37680, 41376, 50240, 51720, 67667, 68960, 75360, 82752, 103440, 135334, 137920, 150720, 203001, 206880, 270668, 338335, 406002, 413760, 541336, 676670, 812004, 1015005, 1082672, 1353340, 1624008, 2030010, 2165344, 2706680, 3248016, 4060020, 4330688, 5413360, 6496032, 8120040, 10826720, 12992064, 16240080, 21653440, 32480160, 64960320]

約数ペア:

[(1, 64960320), (2, 32480160), (3, 21653440), (4, 16240080), (5, 12992064), (6, 10826720), (8, 8120040), (10, 6496032), (12, 5413360), (15, 4330688), (16, 4060020), (20, 3248016), (24, 2706680), (30, 2165344), (32, 2030010), (40, 1624008), (48, 1353340), (60, 1082672), (64, 1015005), (80, 812004), (96, 676670), (120, 541336), (157, 413760), (160, 406002), (192, 338335), (240, 270668), (314, 206880), (320, 203001), (431, 150720), (471, 137920), (480, 135334), (628, 103440), (785, 82752), (862, 75360), (942, 68960), (960, 67667), (1256, 51720), (1293, 50240), (1570, 41376), (1724, 37680), (1884, 34480), (2155, 30144), (2355, 27584), (2512, 25860), (2586, 25120), (3140, 20688), (3448, 18840), (3768, 17240), (4310, 15072), (4710, 13792), (5024, 12930), (5172, 12560), (6280, 10344), (6465, 10048), (6896, 9420), (7536, 8620)]