155180845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 202836960

約数和(自身を除く): 47656115

約数列:

[1, 5, 17, 73, 85, 89, 281, 365, 445, 1241, 1405, 1513, 4777, 6205, 6497, 7565, 20513, 23885, 25009, 32485, 102565, 110449, 125045, 348721, 425153, 552245, 1743605, 1825657, 2125765, 9128285, 31036169, 155180845]

約数ペア:

[(1, 155180845), (5, 31036169), (17, 9128285), (73, 2125765), (85, 1825657), (89, 1743605), (281, 552245), (365, 425153), (445, 348721), (1241, 125045), (1405, 110449), (1513, 102565), (4777, 32485), (6205, 25009), (6497, 23885), (7565, 20513)]