7824880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 21159360

約数和(自身を除く): 13334480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 157, 178, 280, 314, 356, 445, 560, 623, 628, 712, 785, 890, 1099, 1246, 1256, 1424, 1570, 1780, 2198, 2492, 2512, 3115, 3140, 3560, 4396, 4984, 5495, 6230, 6280, 7120, 8792, 9968, 10990, 12460, 12560, 13973, 17584, 21980, 24920, 27946, 43960, 49840, 55892, 69865, 87920, 97811, 111784, 139730, 195622, 223568, 279460, 391244, 489055, 558920, 782488, 978110, 1117840, 1564976, 1956220, 3912440, 7824880]

約数ペア:

[(1, 7824880), (2, 3912440), (4, 1956220), (5, 1564976), (7, 1117840), (8, 978110), (10, 782488), (14, 558920), (16, 489055), (20, 391244), (28, 279460), (35, 223568), (40, 195622), (56, 139730), (70, 111784), (80, 97811), (89, 87920), (112, 69865), (140, 55892), (157, 49840), (178, 43960), (280, 27946), (314, 24920), (356, 21980), (445, 17584), (560, 13973), (623, 12560), (628, 12460), (712, 10990), (785, 9968), (890, 8792), (1099, 7120), (1246, 6280), (1256, 6230), (1424, 5495), (1570, 4984), (1780, 4396), (2198, 3560), (2492, 3140), (2512, 3115)]