144428800

素因数分解:

$2^8\times 5^2\times {\mathrm{22567}}^1$

素因数の和:22593

約数の個数: 54

約数和(自身を含む): 357499688

約数和(自身を除く): 213070888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 22567, 45134, 90268, 112835, 180536, 225670, 361072, 451340, 564175, 722144, 902680, 1128350, 1444288, 1805360, 2256700, 2888576, 3610720, 4513400, 5777152, 7221440, 9026800, 14442880, 18053600, 28885760, 36107200, 72214400, 144428800]

約数ペア:

[(1, 144428800), (2, 72214400), (4, 36107200), (5, 28885760), (8, 18053600), (10, 14442880), (16, 9026800), (20, 7221440), (25, 5777152), (32, 4513400), (40, 3610720), (50, 2888576), (64, 2256700), (80, 1805360), (100, 1444288), (128, 1128350), (160, 902680), (200, 722144), (256, 564175), (320, 451340), (400, 361072), (640, 225670), (800, 180536), (1280, 112835), (1600, 90268), (3200, 45134), (6400, 22567)]