181503280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{324113}}^1$

素因数の和:324133

約数の個数: 40

約数和(自身を含む): 482281632

約数和(自身を除く): 300778352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 324113, 648226, 1296452, 1620565, 2268791, 2592904, 3241130, 4537582, 5185808, 6482260, 9075164, 11343955, 12964520, 18150328, 22687910, 25929040, 36300656, 45375820, 90751640, 181503280]

約数ペア:

[(1, 181503280), (2, 90751640), (4, 45375820), (5, 36300656), (7, 25929040), (8, 22687910), (10, 18150328), (14, 12964520), (16, 11343955), (20, 9075164), (28, 6482260), (35, 5185808), (40, 4537582), (56, 3241130), (70, 2592904), (80, 2268791), (112, 1620565), (140, 1296452), (280, 648226), (560, 324113)]