1140256720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{87443}}^1$

素因数の和:87619

約数の個数: 40

約数和(自身を含む): 2667391776

約数和(自身を除く): 1527135056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 87443, 174886, 349772, 437215, 699544, 874430, 1399088, 1748860, 3497720, 6995440, 14253209, 28506418, 57012836, 71266045, 114025672, 142532090, 228051344, 285064180, 570128360, 1140256720]

約数ペア:

[(1, 1140256720), (2, 570128360), (4, 285064180), (5, 228051344), (8, 142532090), (10, 114025672), (16, 71266045), (20, 57012836), (40, 28506418), (80, 14253209), (163, 6995440), (326, 3497720), (652, 1748860), (815, 1399088), (1304, 874430), (1630, 699544), (2608, 437215), (3260, 349772), (6520, 174886), (13040, 87443)]