254976960

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2043

約数の個数: 224

約数和(自身を含む): 974384640

約数和(自身を除く): 719407680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 399, 420, 448, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 960, 1064, 1120, 1140, 1216, 1330, 1344, 1520, 1596, 1680, 1824, 1995, 1997, 2128, 2240, 2280, 2660, 3040, 3192, 3360, 3648, 3990, 3994, 4256, 4560, 5320, 5991, 6080, 6384, 6720, 7980, 7988, 8512, 9120, 9985, 10640, 11982, 12768, 13979, 15960, 15976, 18240, 19970, 21280, 23964, 25536, 27958, 29955, 31920, 31952, 37943, 39940, 41937, 42560, 47928, 55916, 59910, 63840, 63904, 69895, 75886, 79880, 83874, 95856, 111832, 113829, 119820, 127680, 127808, 139790, 151772, 159760, 167748, 189715, 191712, 209685, 223664, 227658, 239640, 265601, 279580, 303544, 319520, 335496, 379430, 383424, 419370, 447328, 455316, 479280, 531202, 559160, 569145, 607088, 639040, 670992, 758860, 796803, 838740, 894656, 910632, 958560, 1062404, 1118320, 1138290, 1214176, 1328005, 1341984, 1517720, 1593606, 1677480, 1821264, 1917120, 2124808, 2236640, 2276580, 2428352, 2656010, 2683968, 3035440, 3187212, 3354960, 3642528, 3984015, 4249616, 4473280, 4553160, 5312020, 6070880, 6374424, 6709920, 7285056, 7968030, 8499232, 9106320, 10624040, 12141760, 12748848, 13419840, 15936060, 16998464, 18212640, 21248080, 25497696, 31872120, 36425280, 42496160, 50995392, 63744240, 84992320, 127488480, 254976960]

約数ペア:

[(1, 254976960), (2, 127488480), (3, 84992320), (4, 63744240), (5, 50995392), (6, 42496160), (7, 36425280), (8, 31872120), (10, 25497696), (12, 21248080), (14, 18212640), (15, 16998464), (16, 15936060), (19, 13419840), (20, 12748848), (21, 12141760), (24, 10624040), (28, 9106320), (30, 8499232), (32, 7968030), (35, 7285056), (38, 6709920), (40, 6374424), (42, 6070880), (48, 5312020), (56, 4553160), (57, 4473280), (60, 4249616), (64, 3984015), (70, 3642528), (76, 3354960), (80, 3187212), (84, 3035440), (95, 2683968), (96, 2656010), (105, 2428352), (112, 2276580), (114, 2236640), (120, 2124808), (133, 1917120), (140, 1821264), (152, 1677480), (160, 1593606), (168, 1517720), (190, 1341984), (192, 1328005), (210, 1214176), (224, 1138290), (228, 1118320), (240, 1062404), (266, 958560), (280, 910632), (285, 894656), (304, 838740), (320, 796803), (336, 758860), (380, 670992), (399, 639040), (420, 607088), (448, 569145), (456, 559160), (480, 531202), (532, 479280), (560, 455316), (570, 447328), (608, 419370), (665, 383424), (672, 379430), (760, 335496), (798, 319520), (840, 303544), (912, 279580), (960, 265601), (1064, 239640), (1120, 227658), (1140, 223664), (1216, 209685), (1330, 191712), (1344, 189715), (1520, 167748), (1596, 159760), (1680, 151772), (1824, 139790), (1995, 127808), (1997, 127680), (2128, 119820), (2240, 113829), (2280, 111832), (2660, 95856), (3040, 83874), (3192, 79880), (3360, 75886), (3648, 69895), (3990, 63904), (3994, 63840), (4256, 59910), (4560, 55916), (5320, 47928), (5991, 42560), (6080, 41937), (6384, 39940), (6720, 37943), (7980, 31952), (7988, 31920), (8512, 29955), (9120, 27958), (9985, 25536), (10640, 23964), (11982, 21280), (12768, 19970), (13979, 18240), (15960, 15976)]