163142560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20809}}^1$

素因数の和:20838

約数の個数: 72

約数和(自身を含む): 448372260

約数和(自身を除く): 285229700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 20809, 41618, 83236, 104045, 145663, 166472, 208090, 291326, 332944, 416180, 582652, 665888, 728315, 832360, 1019641, 1165304, 1456630, 1664720, 2039282, 2330608, 2913260, 3329440, 4078564, 4661216, 5098205, 5826520, 8157128, 10196410, 11653040, 16314256, 20392820, 23306080, 32628512, 40785640, 81571280, 163142560]

約数ペア:

[(1, 163142560), (2, 81571280), (4, 40785640), (5, 32628512), (7, 23306080), (8, 20392820), (10, 16314256), (14, 11653040), (16, 10196410), (20, 8157128), (28, 5826520), (32, 5098205), (35, 4661216), (40, 4078564), (49, 3329440), (56, 2913260), (70, 2330608), (80, 2039282), (98, 1664720), (112, 1456630), (140, 1165304), (160, 1019641), (196, 832360), (224, 728315), (245, 665888), (280, 582652), (392, 416180), (490, 332944), (560, 291326), (784, 208090), (980, 166472), (1120, 145663), (1568, 104045), (1960, 83236), (3920, 41618), (7840, 20809)]