28786440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 93000960

約数和(自身を除く): 64214520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 103, 120, 136, 137, 170, 204, 206, 255, 274, 309, 340, 408, 411, 412, 510, 515, 548, 618, 680, 685, 822, 824, 1020, 1030, 1096, 1236, 1370, 1545, 1644, 1751, 2040, 2055, 2060, 2329, 2472, 2740, 3090, 3288, 3502, 4110, 4120, 4658, 5253, 5480, 6180, 6987, 7004, 8220, 8755, 9316, 10506, 11645, 12360, 13974, 14008, 14111, 16440, 17510, 18632, 21012, 23290, 26265, 27948, 28222, 34935, 35020, 42024, 42333, 46580, 52530, 55896, 56444, 69870, 70040, 70555, 84666, 93160, 105060, 112888, 139740, 141110, 169332, 210120, 211665, 239887, 279480, 282220, 338664, 423330, 479774, 564440, 719661, 846660, 959548, 1199435, 1439322, 1693320, 1919096, 2398870, 2878644, 3598305, 4797740, 5757288, 7196610, 9595480, 14393220, 28786440]

約数ペア:

[(1, 28786440), (2, 14393220), (3, 9595480), (4, 7196610), (5, 5757288), (6, 4797740), (8, 3598305), (10, 2878644), (12, 2398870), (15, 1919096), (17, 1693320), (20, 1439322), (24, 1199435), (30, 959548), (34, 846660), (40, 719661), (51, 564440), (60, 479774), (68, 423330), (85, 338664), (102, 282220), (103, 279480), (120, 239887), (136, 211665), (137, 210120), (170, 169332), (204, 141110), (206, 139740), (255, 112888), (274, 105060), (309, 93160), (340, 84666), (408, 70555), (411, 70040), (412, 69870), (510, 56444), (515, 55896), (548, 52530), (618, 46580), (680, 42333), (685, 42024), (822, 35020), (824, 34935), (1020, 28222), (1030, 27948), (1096, 26265), (1236, 23290), (1370, 21012), (1545, 18632), (1644, 17510), (1751, 16440), (2040, 14111), (2055, 14008), (2060, 13974), (2329, 12360), (2472, 11645), (2740, 10506), (3090, 9316), (3288, 8755), (3502, 8220), (4110, 7004), (4120, 6987), (4658, 6180), (5253, 5480)]