208529520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{868873}}^1$

素因数の和:868889

約数の個数: 40

約数和(自身を含む): 646442256

約数和(自身を除く): 437912736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 868873, 1737746, 2606619, 3475492, 4344365, 5213238, 6950984, 8688730, 10426476, 13033095, 13901968, 17377460, 20852952, 26066190, 34754920, 41705904, 52132380, 69509840, 104264760, 208529520]

約数ペア:

[(1, 208529520), (2, 104264760), (3, 69509840), (4, 52132380), (5, 41705904), (6, 34754920), (8, 26066190), (10, 20852952), (12, 17377460), (15, 13901968), (16, 13033095), (20, 10426476), (24, 8688730), (30, 6950984), (40, 5213238), (48, 4344365), (60, 3475492), (80, 2606619), (120, 1737746), (240, 868873)]