18102560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2309}}^1$

素因数の和:2338

約数の個数: 72

約数和(自身を含む): 49771260

約数和(自身を除く): 31668700

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, 2309, 3920, 4618, 7840, 9236, 11545, 16163, 18472, 23090, 32326, 36944, 46180, 64652, 73888, 80815, 92360, 113141, 129304, 161630, 184720, 226282, 258608, 323260, 369440, 452564, 517216, 565705, 646520, 905128, 1131410, 1293040, 1810256, 2262820, 2586080, 3620512, 4525640, 9051280, 18102560]

約数ペア:

[(1, 18102560), (2, 9051280), (4, 4525640), (5, 3620512), (7, 2586080), (8, 2262820), (10, 1810256), (14, 1293040), (16, 1131410), (20, 905128), (28, 646520), (32, 565705), (35, 517216), (40, 452564), (49, 369440), (56, 323260), (70, 258608), (80, 226282), (98, 184720), (112, 161630), (140, 129304), (160, 113141), (196, 92360), (224, 80815), (245, 73888), (280, 64652), (392, 46180), (490, 36944), (560, 32326), (784, 23090), (980, 18472), (1120, 16163), (1568, 11545), (1960, 9236), (2309, 7840), (3920, 4618)]