1538320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 4249728

約数和(自身を除く): 2711408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 67, 70, 80, 82, 112, 134, 140, 164, 205, 268, 280, 287, 328, 335, 410, 469, 536, 560, 574, 656, 670, 820, 938, 1072, 1148, 1340, 1435, 1640, 1876, 2296, 2345, 2680, 2747, 2870, 3280, 3752, 4592, 4690, 5360, 5494, 5740, 7504, 9380, 10988, 11480, 13735, 18760, 19229, 21976, 22960, 27470, 37520, 38458, 43952, 54940, 76916, 96145, 109880, 153832, 192290, 219760, 307664, 384580, 769160, 1538320]

約数ペア:

[(1, 1538320), (2, 769160), (4, 384580), (5, 307664), (7, 219760), (8, 192290), (10, 153832), (14, 109880), (16, 96145), (20, 76916), (28, 54940), (35, 43952), (40, 38458), (41, 37520), (56, 27470), (67, 22960), (70, 21976), (80, 19229), (82, 18760), (112, 13735), (134, 11480), (140, 10988), (164, 9380), (205, 7504), (268, 5740), (280, 5494), (287, 5360), (328, 4690), (335, 4592), (410, 3752), (469, 3280), (536, 2870), (560, 2747), (574, 2680), (656, 2345), (670, 2296), (820, 1876), (938, 1640), (1072, 1435), (1148, 1340)]