28873320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 101779200

約数和(自身を除く): 72905880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 929, 1036, 1110, 1295, 1480, 1554, 1858, 2072, 2220, 2590, 2787, 3108, 3716, 3885, 4440, 4645, 5180, 5574, 6216, 6503, 7432, 7770, 9290, 10360, 11148, 13006, 13935, 15540, 18580, 19509, 22296, 26012, 27870, 31080, 32515, 34373, 37160, 39018, 52024, 55740, 65030, 68746, 78036, 97545, 103119, 111480, 130060, 137492, 156072, 171865, 195090, 206238, 240611, 260120, 274984, 343730, 390180, 412476, 481222, 515595, 687460, 721833, 780360, 824952, 962444, 1031190, 1203055, 1374920, 1443666, 1924888, 2062380, 2406110, 2887332, 3609165, 4124760, 4812220, 5774664, 7218330, 9624440, 14436660, 28873320]

約数ペア:

[(1, 28873320), (2, 14436660), (3, 9624440), (4, 7218330), (5, 5774664), (6, 4812220), (7, 4124760), (8, 3609165), (10, 2887332), (12, 2406110), (14, 2062380), (15, 1924888), (20, 1443666), (21, 1374920), (24, 1203055), (28, 1031190), (30, 962444), (35, 824952), (37, 780360), (40, 721833), (42, 687460), (56, 515595), (60, 481222), (70, 412476), (74, 390180), (84, 343730), (105, 274984), (111, 260120), (120, 240611), (140, 206238), (148, 195090), (168, 171865), (185, 156072), (210, 137492), (222, 130060), (259, 111480), (280, 103119), (296, 97545), (370, 78036), (420, 68746), (444, 65030), (518, 55740), (555, 52024), (740, 39018), (777, 37160), (840, 34373), (888, 32515), (929, 31080), (1036, 27870), (1110, 26012), (1295, 22296), (1480, 19509), (1554, 18580), (1858, 15540), (2072, 13935), (2220, 13006), (2590, 11148), (2787, 10360), (3108, 9290), (3716, 7770), (3885, 7432), (4440, 6503), (4645, 6216), (5180, 5574)]