39977280

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:694

約数の個数: 224

約数和(自身を含む): 161422080

約数和(自身を除く): 121444800

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 661, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1322, 1344, 1440, 1512, 1680, 1728, 1890, 1983, 2016, 2160, 2240, 2520, 2644, 2880, 3024, 3305, 3360, 3780, 3966, 4032, 4320, 4627, 5040, 5288, 5949, 6048, 6610, 6720, 7560, 7932, 8640, 9254, 9915, 10080, 10576, 11898, 12096, 13220, 13881, 15120, 15864, 17847, 18508, 19830, 20160, 21152, 23135, 23796, 26440, 27762, 29745, 30240, 31728, 35694, 37016, 39660, 41643, 42304, 46270, 47592, 52880, 55524, 59490, 60480, 63456, 69405, 71388, 74032, 79320, 83286, 89235, 92540, 95184, 105760, 111048, 118980, 124929, 126912, 138810, 142776, 148064, 158640, 166572, 178470, 185080, 190368, 208215, 211520, 222096, 237960, 249858, 277620, 285552, 296128, 317280, 333144, 356940, 370160, 380736, 416430, 444192, 475920, 499716, 555240, 571104, 624645, 634560, 666288, 713880, 740320, 832860, 888384, 951840, 999432, 1110480, 1142208, 1249290, 1332576, 1427760, 1480640, 1665720, 1903680, 1998864, 2220960, 2498580, 2665152, 2855520, 3331440, 3997728, 4441920, 4997160, 5711040, 6662880, 7995456, 9994320, 13325760, 19988640, 39977280]

約数ペア:

[(1, 39977280), (2, 19988640), (3, 13325760), (4, 9994320), (5, 7995456), (6, 6662880), (7, 5711040), (8, 4997160), (9, 4441920), (10, 3997728), (12, 3331440), (14, 2855520), (15, 2665152), (16, 2498580), (18, 2220960), (20, 1998864), (21, 1903680), (24, 1665720), (27, 1480640), (28, 1427760), (30, 1332576), (32, 1249290), (35, 1142208), (36, 1110480), (40, 999432), (42, 951840), (45, 888384), (48, 832860), (54, 740320), (56, 713880), (60, 666288), (63, 634560), (64, 624645), (70, 571104), (72, 555240), (80, 499716), (84, 475920), (90, 444192), (96, 416430), (105, 380736), (108, 370160), (112, 356940), (120, 333144), (126, 317280), (135, 296128), (140, 285552), (144, 277620), (160, 249858), (168, 237960), (180, 222096), (189, 211520), (192, 208215), (210, 190368), (216, 185080), (224, 178470), (240, 166572), (252, 158640), (270, 148064), (280, 142776), (288, 138810), (315, 126912), (320, 124929), (336, 118980), (360, 111048), (378, 105760), (420, 95184), (432, 92540), (448, 89235), (480, 83286), (504, 79320), (540, 74032), (560, 71388), (576, 69405), (630, 63456), (661, 60480), (672, 59490), (720, 55524), (756, 52880), (840, 47592), (864, 46270), (945, 42304), (960, 41643), (1008, 39660), (1080, 37016), (1120, 35694), (1260, 31728), (1322, 30240), (1344, 29745), (1440, 27762), (1512, 26440), (1680, 23796), (1728, 23135), (1890, 21152), (1983, 20160), (2016, 19830), (2160, 18508), (2240, 17847), (2520, 15864), (2644, 15120), (2880, 13881), (3024, 13220), (3305, 12096), (3360, 11898), (3780, 10576), (3966, 10080), (4032, 9915), (4320, 9254), (4627, 8640), (5040, 7932), (5288, 7560), (5949, 6720), (6048, 6610)]