259841280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:612

約数の個数: 144

約数和(自身を含む): 837091584

約数和(自身を除く): 577250304

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, 128, 157, 160, 192, 240, 256, 314, 320, 384, 431, 471, 480, 628, 640, 768, 785, 862, 942, 960, 1256, 1280, 1293, 1570, 1724, 1884, 1920, 2155, 2355, 2512, 2586, 3140, 3448, 3768, 3840, 4310, 4710, 5024, 5172, 6280, 6465, 6896, 7536, 8620, 9420, 10048, 10344, 12560, 12930, 13792, 15072, 17240, 18840, 20096, 20688, 25120, 25860, 27584, 30144, 34480, 37680, 40192, 41376, 50240, 51720, 55168, 60288, 67667, 68960, 75360, 82752, 100480, 103440, 110336, 120576, 135334, 137920, 150720, 165504, 200960, 203001, 206880, 270668, 275840, 301440, 331008, 338335, 406002, 413760, 541336, 551680, 602880, 676670, 812004, 827520, 1015005, 1082672, 1353340, 1624008, 1655040, 2030010, 2165344, 2706680, 3248016, 4060020, 4330688, 5413360, 6496032, 8120040, 8661376, 10826720, 12992064, 16240080, 17322752, 21653440, 25984128, 32480160, 43306880, 51968256, 64960320, 86613760, 129920640, 259841280]

約数ペア:

[(1, 259841280), (2, 129920640), (3, 86613760), (4, 64960320), (5, 51968256), (6, 43306880), (8, 32480160), (10, 25984128), (12, 21653440), (15, 17322752), (16, 16240080), (20, 12992064), (24, 10826720), (30, 8661376), (32, 8120040), (40, 6496032), (48, 5413360), (60, 4330688), (64, 4060020), (80, 3248016), (96, 2706680), (120, 2165344), (128, 2030010), (157, 1655040), (160, 1624008), (192, 1353340), (240, 1082672), (256, 1015005), (314, 827520), (320, 812004), (384, 676670), (431, 602880), (471, 551680), (480, 541336), (628, 413760), (640, 406002), (768, 338335), (785, 331008), (862, 301440), (942, 275840), (960, 270668), (1256, 206880), (1280, 203001), (1293, 200960), (1570, 165504), (1724, 150720), (1884, 137920), (1920, 135334), (2155, 120576), (2355, 110336), (2512, 103440), (2586, 100480), (3140, 82752), (3448, 75360), (3768, 68960), (3840, 67667), (4310, 60288), (4710, 55168), (5024, 51720), (5172, 50240), (6280, 41376), (6465, 40192), (6896, 37680), (7536, 34480), (8620, 30144), (9420, 27584), (10048, 25860), (10344, 25120), (12560, 20688), (12930, 20096), (13792, 18840), (15072, 17240)]