13128080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 37785528

約数和(自身を除く): 24657448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 197, 238, 245, 272, 280, 340, 392, 394, 476, 490, 560, 595, 680, 784, 788, 833, 952, 980, 985, 1190, 1360, 1379, 1576, 1666, 1904, 1960, 1970, 2380, 2758, 3152, 3332, 3349, 3920, 3940, 4165, 4760, 5516, 6664, 6698, 6895, 7880, 8330, 9520, 9653, 11032, 13328, 13396, 13790, 15760, 16660, 16745, 19306, 22064, 23443, 26792, 27580, 33320, 33490, 38612, 46886, 48265, 53584, 55160, 66640, 66980, 77224, 93772, 96530, 110320, 117215, 133960, 154448, 164101, 187544, 193060, 234430, 267920, 328202, 375088, 386120, 468860, 656404, 772240, 820505, 937720, 1312808, 1641010, 1875440, 2625616, 3282020, 6564040, 13128080]

約数ペア:

[(1, 13128080), (2, 6564040), (4, 3282020), (5, 2625616), (7, 1875440), (8, 1641010), (10, 1312808), (14, 937720), (16, 820505), (17, 772240), (20, 656404), (28, 468860), (34, 386120), (35, 375088), (40, 328202), (49, 267920), (56, 234430), (68, 193060), (70, 187544), (80, 164101), (85, 154448), (98, 133960), (112, 117215), (119, 110320), (136, 96530), (140, 93772), (170, 77224), (196, 66980), (197, 66640), (238, 55160), (245, 53584), (272, 48265), (280, 46886), (340, 38612), (392, 33490), (394, 33320), (476, 27580), (490, 26792), (560, 23443), (595, 22064), (680, 19306), (784, 16745), (788, 16660), (833, 15760), (952, 13790), (980, 13396), (985, 13328), (1190, 11032), (1360, 9653), (1379, 9520), (1576, 8330), (1666, 7880), (1904, 6895), (1960, 6698), (1970, 6664), (2380, 5516), (2758, 4760), (3152, 4165), (3332, 3940), (3349, 3920)]