243079040

素因数分解:

$2^7\times 5^1\times {\mathrm{379811}}^1$

素因数の和:379830

約数の個数: 32

約数和(自身を含む): 581112360

約数和(自身を除く): 338033320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 379811, 759622, 1519244, 1899055, 3038488, 3798110, 6076976, 7596220, 12153952, 15192440, 24307904, 30384880, 48615808, 60769760, 121539520, 243079040]

約数ペア:

[(1, 243079040), (2, 121539520), (4, 60769760), (5, 48615808), (8, 30384880), (10, 24307904), (16, 15192440), (20, 12153952), (32, 7596220), (40, 6076976), (64, 3798110), (80, 3038488), (128, 1899055), (160, 1519244), (320, 759622), (640, 379811)]