21388654080

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21589}}^1$

素因数の和:21661

約数の個数: 240

約数和(自身を含む): 75801108240

約数和(自身を除く): 54412454160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 256, 258, 288, 320, 344, 360, 384, 387, 430, 480, 512, 516, 576, 640, 645, 688, 720, 768, 774, 860, 960, 1032, 1152, 1280, 1290, 1376, 1440, 1536, 1548, 1720, 1920, 1935, 2064, 2304, 2560, 2580, 2752, 2880, 3096, 3440, 3840, 3870, 4128, 4608, 5160, 5504, 5760, 6192, 6880, 7680, 7740, 8256, 10320, 11008, 11520, 12384, 13760, 15480, 16512, 20640, 21589, 22016, 23040, 24768, 27520, 30960, 33024, 41280, 43178, 49536, 55040, 61920, 64767, 66048, 82560, 86356, 99072, 107945, 110080, 123840, 129534, 165120, 172712, 194301, 198144, 215890, 247680, 259068, 323835, 330240, 345424, 388602, 431780, 495360, 518136, 647670, 690848, 777204, 863560, 928327, 971505, 990720, 1036272, 1295340, 1381696, 1554408, 1727120, 1856654, 1943010, 2072544, 2590680, 2763392, 2784981, 3108816, 3454240, 3713308, 3886020, 4145088, 4641635, 5181360, 5526784, 5569962, 6217632, 6908480, 7426616, 7772040, 8290176, 8354943, 9283270, 10362720, 11053568, 11139924, 12435264, 13816960, 13924905, 14853232, 15544080, 16580352, 16709886, 18566540, 20725440, 22279848, 24870528, 27633920, 27849810, 29706464, 31088160, 33160704, 33419772, 37133080, 41450880, 41774715, 44559696, 49741056, 55267840, 55699620, 59412928, 62176320, 66839544, 74266160, 82901760, 83549430, 89119392, 99482112, 111399240, 118825856, 124352640, 133679088, 148532320, 165803520, 167098860, 178238784, 222798480, 237651712, 248705280, 267358176, 297064640, 334197720, 356477568, 445596960, 475303424, 497410560, 534716352, 594129280, 668395440, 712955136, 891193920, 1069432704, 1188258560, 1336790880, 1425910272, 1782387840, 2138865408, 2376517120, 2673581760, 3564775680, 4277730816, 5347163520, 7129551360, 10694327040, 21388654080]

約数ペア:

[(1, 21388654080), (2, 10694327040), (3, 7129551360), (4, 5347163520), (5, 4277730816), (6, 3564775680), (8, 2673581760), (9, 2376517120), (10, 2138865408), (12, 1782387840), (15, 1425910272), (16, 1336790880), (18, 1188258560), (20, 1069432704), (24, 891193920), (30, 712955136), (32, 668395440), (36, 594129280), (40, 534716352), (43, 497410560), (45, 475303424), (48, 445596960), (60, 356477568), (64, 334197720), (72, 297064640), (80, 267358176), (86, 248705280), (90, 237651712), (96, 222798480), (120, 178238784), (128, 167098860), (129, 165803520), (144, 148532320), (160, 133679088), (172, 124352640), (180, 118825856), (192, 111399240), (215, 99482112), (240, 89119392), (256, 83549430), (258, 82901760), (288, 74266160), (320, 66839544), (344, 62176320), (360, 59412928), (384, 55699620), (387, 55267840), (430, 49741056), (480, 44559696), (512, 41774715), (516, 41450880), (576, 37133080), (640, 33419772), (645, 33160704), (688, 31088160), (720, 29706464), (768, 27849810), (774, 27633920), (860, 24870528), (960, 22279848), (1032, 20725440), (1152, 18566540), (1280, 16709886), (1290, 16580352), (1376, 15544080), (1440, 14853232), (1536, 13924905), (1548, 13816960), (1720, 12435264), (1920, 11139924), (1935, 11053568), (2064, 10362720), (2304, 9283270), (2560, 8354943), (2580, 8290176), (2752, 7772040), (2880, 7426616), (3096, 6908480), (3440, 6217632), (3840, 5569962), (3870, 5526784), (4128, 5181360), (4608, 4641635), (5160, 4145088), (5504, 3886020), (5760, 3713308), (6192, 3454240), (6880, 3108816), (7680, 2784981), (7740, 2763392), (8256, 2590680), (10320, 2072544), (11008, 1943010), (11520, 1856654), (12384, 1727120), (13760, 1554408), (15480, 1381696), (16512, 1295340), (20640, 1036272), (21589, 990720), (22016, 971505), (23040, 928327), (24768, 863560), (27520, 777204), (30960, 690848), (33024, 647670), (41280, 518136), (43178, 495360), (49536, 431780), (55040, 388602), (61920, 345424), (64767, 330240), (66048, 323835), (82560, 259068), (86356, 247680), (99072, 215890), (107945, 198144), (110080, 194301), (123840, 172712), (129534, 165120)]