1440571840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{264811}}^1$

素因数の和:264845

約数の個数: 56

約数和(自身を含む): 3632161392

約数和(自身を除く): 2191589552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 264811, 529622, 1059244, 1324055, 2118488, 2648110, 4236976, 4501787, 5296220, 8473952, 9003574, 10592440, 16947904, 18007148, 21184880, 22508935, 36014296, 42369760, 45017870, 72028592, 84739520, 90035740, 144057184, 180071480, 288114368, 360142960, 720285920, 1440571840]

約数ペア:

[(1, 1440571840), (2, 720285920), (4, 360142960), (5, 288114368), (8, 180071480), (10, 144057184), (16, 90035740), (17, 84739520), (20, 72028592), (32, 45017870), (34, 42369760), (40, 36014296), (64, 22508935), (68, 21184880), (80, 18007148), (85, 16947904), (136, 10592440), (160, 9003574), (170, 8473952), (272, 5296220), (320, 4501787), (340, 4236976), (544, 2648110), (680, 2118488), (1088, 1324055), (1360, 1059244), (2720, 529622), (5440, 264811)]