16204720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 45354240

約数和(自身を除く): 29149520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 1523, 2128, 2660, 3046, 5320, 6092, 7615, 10640, 10661, 12184, 15230, 21322, 24368, 28937, 30460, 42644, 53305, 57874, 60920, 85288, 106610, 115748, 121840, 144685, 170576, 202559, 213220, 231496, 289370, 405118, 426440, 462992, 578740, 810236, 852880, 1012795, 1157480, 1620472, 2025590, 2314960, 3240944, 4051180, 8102360, 16204720]

約数ペア:

[(1, 16204720), (2, 8102360), (4, 4051180), (5, 3240944), (7, 2314960), (8, 2025590), (10, 1620472), (14, 1157480), (16, 1012795), (19, 852880), (20, 810236), (28, 578740), (35, 462992), (38, 426440), (40, 405118), (56, 289370), (70, 231496), (76, 213220), (80, 202559), (95, 170576), (112, 144685), (133, 121840), (140, 115748), (152, 106610), (190, 85288), (266, 60920), (280, 57874), (304, 53305), (380, 42644), (532, 30460), (560, 28937), (665, 24368), (760, 21322), (1064, 15230), (1330, 12184), (1520, 10661), (1523, 10640), (2128, 7615), (2660, 6092), (3046, 5320)]