143246720

素因数分解:

$2^7\times 5^1\times {\mathrm{223823}}^1$

素因数の和:223842

約数の個数: 32

約数和(自身を含む): 342450720

約数和(自身を除く): 199204000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 223823, 447646, 895292, 1119115, 1790584, 2238230, 3581168, 4476460, 7162336, 8952920, 14324672, 17905840, 28649344, 35811680, 71623360, 143246720]

約数ペア:

[(1, 143246720), (2, 71623360), (4, 35811680), (5, 28649344), (8, 17905840), (10, 14324672), (16, 8952920), (20, 7162336), (32, 4476460), (40, 3581168), (64, 2238230), (80, 1790584), (128, 1119115), (160, 895292), (320, 447646), (640, 223823)]