208685040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{869521}}^1$

素因数の和:869537

約数の個数: 40

約数和(自身を含む): 646924368

約数和(自身を除く): 438239328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 869521, 1739042, 2608563, 3478084, 4347605, 5217126, 6956168, 8695210, 10434252, 13042815, 13912336, 17390420, 20868504, 26085630, 34780840, 41737008, 52171260, 69561680, 104342520, 208685040]

約数ペア:

[(1, 208685040), (2, 104342520), (3, 69561680), (4, 52171260), (5, 41737008), (6, 34780840), (8, 26085630), (10, 20868504), (12, 17390420), (15, 13912336), (16, 13042815), (20, 10434252), (24, 8695210), (30, 6956168), (40, 5217126), (48, 4347605), (60, 3478084), (80, 2608563), (120, 1739042), (240, 869521)]