28045920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:533

約数の個数: 192

約数和(自身を含む): 107122176

約数和(自身を除く): 79076256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 491, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 982, 1020, 1120, 1190, 1360, 1428, 1473, 1632, 1680, 1785, 1904, 1964, 2040, 2380, 2455, 2720, 2856, 2946, 3360, 3437, 3570, 3808, 3928, 4080, 4760, 4910, 5712, 5892, 6874, 7140, 7365, 7856, 8160, 8347, 9520, 9820, 10311, 11424, 11784, 13748, 14280, 14730, 15712, 16694, 17185, 19040, 19640, 20622, 23568, 25041, 27496, 28560, 29460, 33388, 34370, 39280, 41244, 41735, 47136, 50082, 51555, 54992, 57120, 58429, 58920, 66776, 68740, 78560, 82488, 83470, 100164, 103110, 109984, 116858, 117840, 125205, 133552, 137480, 164976, 166940, 175287, 200328, 206220, 233716, 235680, 250410, 267104, 274960, 292145, 329952, 333880, 350574, 400656, 412440, 467432, 500820, 549920, 584290, 667760, 701148, 801312, 824880, 876435, 934864, 1001640, 1168580, 1335520, 1402296, 1649760, 1752870, 1869728, 2003280, 2337160, 2804592, 3505740, 4006560, 4674320, 5609184, 7011480, 9348640, 14022960, 28045920]

約数ペア:

[(1, 28045920), (2, 14022960), (3, 9348640), (4, 7011480), (5, 5609184), (6, 4674320), (7, 4006560), (8, 3505740), (10, 2804592), (12, 2337160), (14, 2003280), (15, 1869728), (16, 1752870), (17, 1649760), (20, 1402296), (21, 1335520), (24, 1168580), (28, 1001640), (30, 934864), (32, 876435), (34, 824880), (35, 801312), (40, 701148), (42, 667760), (48, 584290), (51, 549920), (56, 500820), (60, 467432), (68, 412440), (70, 400656), (80, 350574), (84, 333880), (85, 329952), (96, 292145), (102, 274960), (105, 267104), (112, 250410), (119, 235680), (120, 233716), (136, 206220), (140, 200328), (160, 175287), (168, 166940), (170, 164976), (204, 137480), (210, 133552), (224, 125205), (238, 117840), (240, 116858), (255, 109984), (272, 103110), (280, 100164), (336, 83470), (340, 82488), (357, 78560), (408, 68740), (420, 66776), (476, 58920), (480, 58429), (491, 57120), (510, 54992), (544, 51555), (560, 50082), (595, 47136), (672, 41735), (680, 41244), (714, 39280), (816, 34370), (840, 33388), (952, 29460), (982, 28560), (1020, 27496), (1120, 25041), (1190, 23568), (1360, 20622), (1428, 19640), (1473, 19040), (1632, 17185), (1680, 16694), (1785, 15712), (1904, 14730), (1964, 14280), (2040, 13748), (2380, 11784), (2455, 11424), (2720, 10311), (2856, 9820), (2946, 9520), (3360, 8347), (3437, 8160), (3570, 7856), (3808, 7365), (3928, 7140), (4080, 6874), (4760, 5892), (4910, 5712)]