90548080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23099}}^1$

素因数の和:23126

約数の個数: 60

約数和(自身を含む): 244906200

約数和(自身を除く): 154358120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 23099, 46198, 92396, 115495, 161693, 184792, 230990, 323386, 369584, 461980, 646772, 808465, 923960, 1131851, 1293544, 1616930, 1847920, 2263702, 2587088, 3233860, 4527404, 5659255, 6467720, 9054808, 11318510, 12935440, 18109616, 22637020, 45274040, 90548080]

約数ペア:

[(1, 90548080), (2, 45274040), (4, 22637020), (5, 18109616), (7, 12935440), (8, 11318510), (10, 9054808), (14, 6467720), (16, 5659255), (20, 4527404), (28, 3233860), (35, 2587088), (40, 2263702), (49, 1847920), (56, 1616930), (70, 1293544), (80, 1131851), (98, 923960), (112, 808465), (140, 646772), (196, 461980), (245, 369584), (280, 323386), (392, 230990), (490, 184792), (560, 161693), (784, 115495), (980, 92396), (1960, 46198), (3920, 23099)]