About the Number

138438720

138438719 ← → 138438721

2進数表記:1000010000000110100001000000

漢数字表記:一億三千八百四十三万八千七百二十

素因数分解:

2 6 × 3 4 × 5 1 × 7 2 × 109 1

素因数の和:152
約数の個数: 420
約数和(自身を含む): 578106540
約数和(自身を除く): 439667820

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 109, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 192, 196, 210, 216, 218, 224, 240, 245, 252, 270, 280, 288, 294, 315, 320, 324, 327, 336, 360, 378, 392, 405, 420, 432, 436, 441, 448, 480, 490, 504, 540, 545, 560, 567, 576, 588, 630, 648, 654, 672, 720, 735, 756, 763, 784, 810, 840, 864, 872, 882, 945, 960, 980, 981, 1008, 1080, 1090, 1120, 1134, 1176, 1260, 1296, 1308, 1323, 1344, 1440, 1470, 1512, 1526, 1568, 1620, 1635, 1680, 1728, 1744, 1764, 1890, 1960, 1962, 2016, 2160, 2180, 2205, 2240, 2268, 2289, 2352, 2520, 2592, 2616, 2646, 2835, 2880, 2940, 2943, 3024, 3052, 3136, 3240, 3270, 3360, 3488, 3528, 3780, 3815, 3920, 3924, 3969, 4032, 4320, 4360, 4410, 4536, 4578, 4704, 4905, 5040, 5184, 5232, 5292, 5341, 5670, 5880, 5886, 6048, 6104, 6480, 6540, 6615, 6720, 6867, 6976, 7056, 7560, 7630, 7840, 7848, 7938, 8640, 8720, 8820, 8829, 9072, 9156, 9408, 9810, 10080, 10464, 10584, 10682, 11340, 11445, 11760, 11772, 12096, 12208, 12960, 13080, 13230, 13734, 14112, 14715, 15120, 15260, 15680, 15696, 15876, 16023, 17440, 17640, 17658, 18144, 18312, 19620, 19845, 20160, 20601, 20928, 21168, 21364, 22680, 22890, 23520, 23544, 24416, 25920, 26160, 26460, 26705, 27468, 28224, 29430, 30240, 30520, 31392, 31752, 32046, 34335, 34880, 35280, 35316, 36288, 36624, 39240, 39690, 41202, 42336, 42728, 44145, 45360, 45780, 47040, 47088, 48069, 48832, 52320, 52920, 53410, 54936, 58860, 60480, 61040, 61803, 62784, 63504, 64092, 68670, 70560, 70632, 73248, 78480, 79380, 80115, 82404, 84672, 85456, 88290, 90720, 91560, 94176, 96138, 103005, 104640, 105840, 106820, 109872, 117720, 122080, 123606, 127008, 128184, 137340, 141120, 141264, 144207, 146496, 156960, 158760, 160230, 164808, 170912, 176580, 181440, 183120, 188352, 192276, 206010, 211680, 213640, 219744, 235440, 240345, 244160, 247212, 254016, 256368, 274680, 282528, 288414, 309015, 313920, 317520, 320460, 329616, 341824, 353160, 366240, 384552, 412020, 423360, 427280, 432621, 439488, 470880, 480690, 494424, 512736, 549360, 565056, 576828, 618030, 635040, 640920, 659232, 706320, 721035, 732480, 769104, 824040, 854560, 865242, 941760, 961380, 988848, 1025472, 1098720, 1153656, 1236060, 1270080, 1281840, 1318464, 1412640, 1442070, 1538208, 1648080, 1709120, 1730484, 1922760, 1977696, 2163105, 2197440, 2307312, 2472120, 2563680, 2825280, 2884140, 3076416, 3296160, 3460968, 3845520, 3955392, 4326210, 4614624, 4944240, 5127360, 5768280, 6592320, 6921936, 7691040, 8652420, 9229248, 9888480, 11536560, 13843872, 15382080, 17304840, 19776960, 23073120, 27687744, 34609680, 46146240, 69219360, 138438720]

約数ペア:
[(1, 138438720), (2, 69219360), (3, 46146240), (4, 34609680), (5, 27687744), (6, 23073120), (7, 19776960), (8, 17304840), (9, 15382080), (10, 13843872), (12, 11536560), (14, 9888480), (15, 9229248), (16, 8652420), (18, 7691040), (20, 6921936), (21, 6592320), (24, 5768280), (27, 5127360), (28, 4944240), (30, 4614624), (32, 4326210), (35, 3955392), (36, 3845520), (40, 3460968), (42, 3296160), (45, 3076416), (48, 2884140), (49, 2825280), (54, 2563680), (56, 2472120), (60, 2307312), (63, 2197440), (64, 2163105), (70, 1977696), (72, 1922760), (80, 1730484), (81, 1709120), (84, 1648080), (90, 1538208), (96, 1442070), (98, 1412640), (105, 1318464), (108, 1281840), (109, 1270080), (112, 1236060), (120, 1153656), (126, 1098720), (135, 1025472), (140, 988848), (144, 961380), (147, 941760), (160, 865242), (162, 854560), (168, 824040), (180, 769104), (189, 732480), (192, 721035), (196, 706320), (210, 659232), (216, 640920), (218, 635040), (224, 618030), (240, 576828), (245, 565056), (252, 549360), (270, 512736), (280, 494424), (288, 480690), (294, 470880), (315, 439488), (320, 432621), (324, 427280), (327, 423360), (336, 412020), (360, 384552), (378, 366240), (392, 353160), (405, 341824), (420, 329616), (432, 320460), (436, 317520), (441, 313920), (448, 309015), (480, 288414), (490, 282528), (504, 274680), (540, 256368), (545, 254016), (560, 247212), (567, 244160), (576, 240345), (588, 235440), (630, 219744), (648, 213640), (654, 211680), (672, 206010), (720, 192276), (735, 188352), (756, 183120), (763, 181440), (784, 176580), (810, 170912), (840, 164808), (864, 160230), (872, 158760), (882, 156960), (945, 146496), (960, 144207), (980, 141264), (981, 141120), (1008, 137340), (1080, 128184), (1090, 127008), (1120, 123606), (1134, 122080), (1176, 117720), (1260, 109872), (1296, 106820), (1308, 105840), (1323, 104640), (1344, 103005), (1440, 96138), (1470, 94176), (1512, 91560), (1526, 90720), (1568, 88290), (1620, 85456), (1635, 84672), (1680, 82404), (1728, 80115), (1744, 79380), (1764, 78480), (1890, 73248), (1960, 70632), (1962, 70560), (2016, 68670), (2160, 64092), (2180, 63504), (2205, 62784), (2240, 61803), (2268, 61040), (2289, 60480), (2352, 58860), (2520, 54936), (2592, 53410), (2616, 52920), (2646, 52320), (2835, 48832), (2880, 48069), (2940, 47088), (2943, 47040), (3024, 45780), (3052, 45360), (3136, 44145), (3240, 42728), (3270, 42336), (3360, 41202), (3488, 39690), (3528, 39240), (3780, 36624), (3815, 36288), (3920, 35316), (3924, 35280), (3969, 34880), (4032, 34335), (4320, 32046), (4360, 31752), (4410, 31392), (4536, 30520), (4578, 30240), (4704, 29430), (4905, 28224), (5040, 27468), (5184, 26705), (5232, 26460), (5292, 26160), (5341, 25920), (5670, 24416), (5880, 23544), (5886, 23520), (6048, 22890), (6104, 22680), (6480, 21364), (6540, 21168), (6615, 20928), (6720, 20601), (6867, 20160), (6976, 19845), (7056, 19620), (7560, 18312), (7630, 18144), (7840, 17658), (7848, 17640), (7938, 17440), (8640, 16023), (8720, 15876), (8820, 15696), (8829, 15680), (9072, 15260), (9156, 15120), (9408, 14715), (9810, 14112), (10080, 13734), (10464, 13230), (10584, 13080), (10682, 12960), (11340, 12208), (11445, 12096), (11760, 11772)]

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