1289665680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5373607}}^1$

素因数の和:5373623

約数の個数: 40

約数和(自身を含む): 3997964352

約数和(自身を除く): 2708298672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5373607, 10747214, 16120821, 21494428, 26868035, 32241642, 42988856, 53736070, 64483284, 80604105, 85977712, 107472140, 128966568, 161208210, 214944280, 257933136, 322416420, 429888560, 644832840, 1289665680]

約数ペア:

[(1, 1289665680), (2, 644832840), (3, 429888560), (4, 322416420), (5, 257933136), (6, 214944280), (8, 161208210), (10, 128966568), (12, 107472140), (15, 85977712), (16, 80604105), (20, 64483284), (24, 53736070), (30, 42988856), (40, 32241642), (48, 26868035), (60, 21494428), (80, 16120821), (120, 10747214), (240, 5373607)]