128561520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{535673}}^1$

素因数の和:535689

約数の個数: 40

約数和(自身を含む): 398541456

約数和(自身を除く): 269979936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 535673, 1071346, 1607019, 2142692, 2678365, 3214038, 4285384, 5356730, 6428076, 8035095, 8570768, 10713460, 12856152, 16070190, 21426920, 25712304, 32140380, 42853840, 64280760, 128561520]

約数ペア:

[(1, 128561520), (2, 64280760), (3, 42853840), (4, 32140380), (5, 25712304), (6, 21426920), (8, 16070190), (10, 12856152), (12, 10713460), (15, 8570768), (16, 8035095), (20, 6428076), (24, 5356730), (30, 4285384), (40, 3214038), (48, 2678365), (60, 2142692), (80, 1607019), (120, 1071346), (240, 535673)]