21209156640

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{77929}}^1$

素因数の和:77966

約数の個数: 288

約数和(自身を含む): 85780356480

約数和(自身を除く): 64571199840

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, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1440, 1512, 1620, 1680, 1701, 1890, 1944, 2016, 2160, 2268, 2430, 2520, 2592, 2835, 3024, 3240, 3360, 3402, 3780, 3888, 4320, 4536, 4860, 5040, 5670, 6048, 6480, 6804, 7560, 7776, 8505, 9072, 9720, 10080, 11340, 12960, 13608, 15120, 17010, 18144, 19440, 22680, 27216, 30240, 34020, 38880, 45360, 54432, 68040, 77929, 90720, 136080, 155858, 233787, 272160, 311716, 389645, 467574, 545503, 623432, 701361, 779290, 935148, 1091006, 1168935, 1246864, 1402722, 1558580, 1636509, 1870296, 2104083, 2182012, 2337870, 2493728, 2727515, 2805444, 3117160, 3273018, 3506805, 3740592, 4208166, 4364024, 4675740, 4909527, 5455030, 5610888, 6234320, 6312249, 6546036, 7013610, 7481184, 8182545, 8416332, 8728048, 9351480, 9819054, 10520415, 10910060, 11221776, 12468640, 12624498, 13092072, 14027220, 14728581, 16365090, 16832664, 17456096, 18702960, 18936747, 19638108, 21040830, 21820120, 22443552, 24547635, 25248996, 26184144, 28054440, 29457162, 31561245, 32730180, 33665328, 37405920, 37873494, 39276216, 42081660, 43640240, 44185743, 49095270, 50497992, 52368288, 56108880, 58914324, 63122490, 65460360, 67330656, 73642905, 75746988, 78552432, 84163320, 87280480, 88371486, 94683735, 98190540, 100995984, 112217760, 117828648, 126244980, 130920720, 132557229, 147285810, 151493976, 157104864, 168326640, 176742972, 189367470, 196381080, 201991968, 220928715, 235657296, 252489960, 261841440, 265114458, 294571620, 302987952, 336653280, 353485944, 378734940, 392762160, 441857430, 471314592, 504979920, 530228916, 589143240, 605975904, 662786145, 706971888, 757469880, 785524320, 883714860, 1009959840, 1060457832, 1178286480, 1325572290, 1413943776, 1514939760, 1767429720, 2120915664, 2356572960, 2651144580, 3029879520, 3534859440, 4241831328, 5302289160, 7069718880, 10604578320, 21209156640]

約数ペア:

[(1, 21209156640), (2, 10604578320), (3, 7069718880), (4, 5302289160), (5, 4241831328), (6, 3534859440), (7, 3029879520), (8, 2651144580), (9, 2356572960), (10, 2120915664), (12, 1767429720), (14, 1514939760), (15, 1413943776), (16, 1325572290), (18, 1178286480), (20, 1060457832), (21, 1009959840), (24, 883714860), (27, 785524320), (28, 757469880), (30, 706971888), (32, 662786145), (35, 605975904), (36, 589143240), (40, 530228916), (42, 504979920), (45, 471314592), (48, 441857430), (54, 392762160), (56, 378734940), (60, 353485944), (63, 336653280), (70, 302987952), (72, 294571620), (80, 265114458), (81, 261841440), (84, 252489960), (90, 235657296), (96, 220928715), (105, 201991968), (108, 196381080), (112, 189367470), (120, 176742972), (126, 168326640), (135, 157104864), (140, 151493976), (144, 147285810), (160, 132557229), (162, 130920720), (168, 126244980), (180, 117828648), (189, 112217760), (210, 100995984), (216, 98190540), (224, 94683735), (240, 88371486), (243, 87280480), (252, 84163320), (270, 78552432), (280, 75746988), (288, 73642905), (315, 67330656), (324, 65460360), (336, 63122490), (360, 58914324), (378, 56108880), (405, 52368288), (420, 50497992), (432, 49095270), (480, 44185743), (486, 43640240), (504, 42081660), (540, 39276216), (560, 37873494), (567, 37405920), (630, 33665328), (648, 32730180), (672, 31561245), (720, 29457162), (756, 28054440), (810, 26184144), (840, 25248996), (864, 24547635), (945, 22443552), (972, 21820120), (1008, 21040830), (1080, 19638108), (1120, 18936747), (1134, 18702960), (1215, 17456096), (1260, 16832664), (1296, 16365090), (1440, 14728581), (1512, 14027220), (1620, 13092072), (1680, 12624498), (1701, 12468640), (1890, 11221776), (1944, 10910060), (2016, 10520415), (2160, 9819054), (2268, 9351480), (2430, 8728048), (2520, 8416332), (2592, 8182545), (2835, 7481184), (3024, 7013610), (3240, 6546036), (3360, 6312249), (3402, 6234320), (3780, 5610888), (3888, 5455030), (4320, 4909527), (4536, 4675740), (4860, 4364024), (5040, 4208166), (5670, 3740592), (6048, 3506805), (6480, 3273018), (6804, 3117160), (7560, 2805444), (7776, 2727515), (8505, 2493728), (9072, 2337870), (9720, 2182012), (10080, 2104083), (11340, 1870296), (12960, 1636509), (13608, 1558580), (15120, 1402722), (17010, 1246864), (18144, 1168935), (19440, 1091006), (22680, 935148), (27216, 779290), (30240, 701361), (34020, 623432), (38880, 545503), (45360, 467574), (54432, 389645), (68040, 311716), (77929, 272160), (90720, 233787), (136080, 155858)]