18856560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78569}}^1$

素因数の和:78585

約数の個数: 40

約数和(自身を含む): 58456080

約数和(自身を除く): 39599520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78569, 157138, 235707, 314276, 392845, 471414, 628552, 785690, 942828, 1178535, 1257104, 1571380, 1885656, 2357070, 3142760, 3771312, 4714140, 6285520, 9428280, 18856560]

約数ペア:

[(1, 18856560), (2, 9428280), (3, 6285520), (4, 4714140), (5, 3771312), (6, 3142760), (8, 2357070), (10, 1885656), (12, 1571380), (15, 1257104), (16, 1178535), (20, 942828), (24, 785690), (30, 628552), (40, 471414), (48, 392845), (60, 314276), (80, 235707), (120, 157138), (240, 78569)]