28317240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:702

約数の個数: 192

約数和(自身を含む): 111533760

約数和(自身を除く): 83216520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 476, 504, 510, 595, 612, 630, 661, 680, 714, 765, 840, 952, 1020, 1071, 1190, 1224, 1260, 1322, 1428, 1530, 1785, 1983, 2040, 2142, 2380, 2520, 2644, 2856, 3060, 3305, 3570, 3966, 4284, 4627, 4760, 5288, 5355, 5949, 6120, 6610, 7140, 7932, 8568, 9254, 9915, 10710, 11237, 11898, 13220, 13881, 14280, 15864, 18508, 19830, 21420, 22474, 23135, 23796, 26440, 27762, 29745, 33711, 37016, 39660, 41643, 42840, 44948, 46270, 47592, 55524, 56185, 59490, 67422, 69405, 78659, 79320, 83286, 89896, 92540, 101133, 111048, 112370, 118980, 134844, 138810, 157318, 166572, 168555, 185080, 202266, 208215, 224740, 235977, 237960, 269688, 277620, 314636, 333144, 337110, 393295, 404532, 416430, 449480, 471954, 505665, 555240, 629272, 674220, 707931, 786590, 809064, 832860, 943908, 1011330, 1179885, 1348440, 1415862, 1573180, 1665720, 1887816, 2022660, 2359770, 2831724, 3146360, 3539655, 4045320, 4719540, 5663448, 7079310, 9439080, 14158620, 28317240]

約数ペア:

[(1, 28317240), (2, 14158620), (3, 9439080), (4, 7079310), (5, 5663448), (6, 4719540), (7, 4045320), (8, 3539655), (9, 3146360), (10, 2831724), (12, 2359770), (14, 2022660), (15, 1887816), (17, 1665720), (18, 1573180), (20, 1415862), (21, 1348440), (24, 1179885), (28, 1011330), (30, 943908), (34, 832860), (35, 809064), (36, 786590), (40, 707931), (42, 674220), (45, 629272), (51, 555240), (56, 505665), (60, 471954), (63, 449480), (68, 416430), (70, 404532), (72, 393295), (84, 337110), (85, 333144), (90, 314636), (102, 277620), (105, 269688), (119, 237960), (120, 235977), (126, 224740), (136, 208215), (140, 202266), (153, 185080), (168, 168555), (170, 166572), (180, 157318), (204, 138810), (210, 134844), (238, 118980), (252, 112370), (255, 111048), (280, 101133), (306, 92540), (315, 89896), (340, 83286), (357, 79320), (360, 78659), (408, 69405), (420, 67422), (476, 59490), (504, 56185), (510, 55524), (595, 47592), (612, 46270), (630, 44948), (661, 42840), (680, 41643), (714, 39660), (765, 37016), (840, 33711), (952, 29745), (1020, 27762), (1071, 26440), (1190, 23796), (1224, 23135), (1260, 22474), (1322, 21420), (1428, 19830), (1530, 18508), (1785, 15864), (1983, 14280), (2040, 13881), (2142, 13220), (2380, 11898), (2520, 11237), (2644, 10710), (2856, 9915), (3060, 9254), (3305, 8568), (3570, 7932), (3966, 7140), (4284, 6610), (4627, 6120), (4760, 5949), (5288, 5355)]