28446880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2309}}^1$

素因数の和:2342

約数の個数: 96

約数和(自身を含む): 83825280

約数和(自身を除く): 55378400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2309, 2464, 3080, 4618, 6160, 9236, 11545, 12320, 16163, 18472, 23090, 25399, 32326, 36944, 46180, 50798, 64652, 73888, 80815, 92360, 101596, 126995, 129304, 161630, 177793, 184720, 203192, 253990, 258608, 323260, 355586, 369440, 406384, 507980, 517216, 646520, 711172, 812768, 888965, 1015960, 1293040, 1422344, 1777930, 2031920, 2586080, 2844688, 3555860, 4063840, 5689376, 7111720, 14223440, 28446880]

約数ペア:

[(1, 28446880), (2, 14223440), (4, 7111720), (5, 5689376), (7, 4063840), (8, 3555860), (10, 2844688), (11, 2586080), (14, 2031920), (16, 1777930), (20, 1422344), (22, 1293040), (28, 1015960), (32, 888965), (35, 812768), (40, 711172), (44, 646520), (55, 517216), (56, 507980), (70, 406384), (77, 369440), (80, 355586), (88, 323260), (110, 258608), (112, 253990), (140, 203192), (154, 184720), (160, 177793), (176, 161630), (220, 129304), (224, 126995), (280, 101596), (308, 92360), (352, 80815), (385, 73888), (440, 64652), (560, 50798), (616, 46180), (770, 36944), (880, 32326), (1120, 25399), (1232, 23090), (1540, 18472), (1760, 16163), (2309, 12320), (2464, 11545), (3080, 9236), (4618, 6160)]