251018880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1031

約数の個数: 256

約数和(自身を含む): 963532800

約数和(自身を除く): 712513920

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, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 532, 560, 570, 608, 640, 665, 672, 760, 798, 840, 896, 912, 960, 983, 1064, 1120, 1140, 1216, 1330, 1344, 1520, 1596, 1680, 1824, 1920, 1966, 1995, 2128, 2240, 2280, 2432, 2660, 2688, 2949, 3040, 3192, 3360, 3648, 3932, 3990, 4256, 4480, 4560, 4915, 5320, 5898, 6080, 6384, 6720, 6881, 7296, 7864, 7980, 8512, 9120, 9830, 10640, 11796, 12160, 12768, 13440, 13762, 14745, 15728, 15960, 17024, 18240, 18677, 19660, 20643, 21280, 23592, 25536, 27524, 29490, 31456, 31920, 34405, 36480, 37354, 39320, 41286, 42560, 47184, 51072, 55048, 56031, 58980, 62912, 63840, 68810, 74708, 78640, 82572, 85120, 93385, 94368, 103215, 110096, 112062, 117960, 125824, 127680, 130739, 137620, 149416, 157280, 165144, 186770, 188736, 206430, 220192, 224124, 235920, 255360, 261478, 275240, 280155, 298832, 314560, 330288, 373540, 377472, 392217, 412860, 440384, 448248, 471840, 522956, 550480, 560310, 597664, 629120, 653695, 660576, 747080, 784434, 825720, 880768, 896496, 943680, 1045912, 1100960, 1120620, 1195328, 1307390, 1321152, 1494160, 1568868, 1651440, 1792992, 1887360, 1961085, 2091824, 2201920, 2241240, 2390656, 2614780, 2642304, 2988320, 3137736, 3302880, 3585984, 3922170, 4183648, 4403840, 4482480, 5229560, 5976640, 6275472, 6605760, 7171968, 7844340, 8367296, 8964960, 10459120, 11953280, 12550944, 13211520, 15688680, 16734592, 17929920, 20918240, 25101888, 31377360, 35859840, 41836480, 50203776, 62754720, 83672960, 125509440, 251018880]

約数ペア:

[(1, 251018880), (2, 125509440), (3, 83672960), (4, 62754720), (5, 50203776), (6, 41836480), (7, 35859840), (8, 31377360), (10, 25101888), (12, 20918240), (14, 17929920), (15, 16734592), (16, 15688680), (19, 13211520), (20, 12550944), (21, 11953280), (24, 10459120), (28, 8964960), (30, 8367296), (32, 7844340), (35, 7171968), (38, 6605760), (40, 6275472), (42, 5976640), (48, 5229560), (56, 4482480), (57, 4403840), (60, 4183648), (64, 3922170), (70, 3585984), (76, 3302880), (80, 3137736), (84, 2988320), (95, 2642304), (96, 2614780), (105, 2390656), (112, 2241240), (114, 2201920), (120, 2091824), (128, 1961085), (133, 1887360), (140, 1792992), (152, 1651440), (160, 1568868), (168, 1494160), (190, 1321152), (192, 1307390), (210, 1195328), (224, 1120620), (228, 1100960), (240, 1045912), (266, 943680), (280, 896496), (285, 880768), (304, 825720), (320, 784434), (336, 747080), (380, 660576), (384, 653695), (399, 629120), (420, 597664), (448, 560310), (456, 550480), (480, 522956), (532, 471840), (560, 448248), (570, 440384), (608, 412860), (640, 392217), (665, 377472), (672, 373540), (760, 330288), (798, 314560), (840, 298832), (896, 280155), (912, 275240), (960, 261478), (983, 255360), (1064, 235920), (1120, 224124), (1140, 220192), (1216, 206430), (1330, 188736), (1344, 186770), (1520, 165144), (1596, 157280), (1680, 149416), (1824, 137620), (1920, 130739), (1966, 127680), (1995, 125824), (2128, 117960), (2240, 112062), (2280, 110096), (2432, 103215), (2660, 94368), (2688, 93385), (2949, 85120), (3040, 82572), (3192, 78640), (3360, 74708), (3648, 68810), (3932, 63840), (3990, 62912), (4256, 58980), (4480, 56031), (4560, 55048), (4915, 51072), (5320, 47184), (5898, 42560), (6080, 41286), (6384, 39320), (6720, 37354), (6881, 36480), (7296, 34405), (7864, 31920), (7980, 31456), (8512, 29490), (9120, 27524), (9830, 25536), (10640, 23592), (11796, 21280), (12160, 20643), (12768, 19660), (13440, 18677), (13762, 18240), (14745, 17024), (15728, 15960)]