177645040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 427303008

約数和(自身を除く): 249657968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 113, 172, 215, 226, 344, 430, 452, 457, 565, 688, 860, 904, 914, 1130, 1720, 1808, 1828, 2260, 2285, 3440, 3656, 4520, 4570, 4859, 7312, 9040, 9140, 9718, 18280, 19436, 19651, 24295, 36560, 38872, 39302, 48590, 51641, 77744, 78604, 97180, 98255, 103282, 157208, 194360, 196510, 206564, 258205, 314416, 388720, 393020, 413128, 516410, 786040, 826256, 1032820, 1572080, 2065640, 2220563, 4131280, 4441126, 8882252, 11102815, 17764504, 22205630, 35529008, 44411260, 88822520, 177645040]

約数ペア:

[(1, 177645040), (2, 88822520), (4, 44411260), (5, 35529008), (8, 22205630), (10, 17764504), (16, 11102815), (20, 8882252), (40, 4441126), (43, 4131280), (80, 2220563), (86, 2065640), (113, 1572080), (172, 1032820), (215, 826256), (226, 786040), (344, 516410), (430, 413128), (452, 393020), (457, 388720), (565, 314416), (688, 258205), (860, 206564), (904, 196510), (914, 194360), (1130, 157208), (1720, 103282), (1808, 98255), (1828, 97180), (2260, 78604), (2285, 77744), (3440, 51641), (3656, 48590), (4520, 39302), (4570, 38872), (4859, 36560), (7312, 24295), (9040, 19651), (9140, 19436), (9718, 18280)]