165451960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 410572800

約数和(自身を除く): 245120840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 43, 58, 62, 86, 107, 116, 124, 145, 155, 172, 214, 215, 232, 248, 290, 310, 344, 428, 430, 535, 580, 620, 856, 860, 899, 1070, 1160, 1240, 1247, 1333, 1720, 1798, 2140, 2494, 2666, 3103, 3317, 3596, 4280, 4495, 4601, 4988, 5332, 6206, 6235, 6634, 6665, 7192, 8990, 9202, 9976, 10664, 12412, 12470, 13268, 13330, 15515, 16585, 17980, 18404, 23005, 24824, 24940, 26536, 26660, 31030, 33170, 35960, 36808, 38657, 46010, 49880, 53320, 62060, 66340, 77314, 92020, 96193, 124120, 132680, 133429, 142631, 154628, 184040, 192386, 193285, 266858, 285262, 309256, 384772, 386570, 480965, 533716, 570524, 667145, 713155, 769544, 773140, 961930, 1067432, 1141048, 1334290, 1426310, 1546280, 1923860, 2668580, 2852620, 3847720, 4136299, 5337160, 5705240, 8272598, 16545196, 20681495, 33090392, 41362990, 82725980, 165451960]

約数ペア:

[(1, 165451960), (2, 82725980), (4, 41362990), (5, 33090392), (8, 20681495), (10, 16545196), (20, 8272598), (29, 5705240), (31, 5337160), (40, 4136299), (43, 3847720), (58, 2852620), (62, 2668580), (86, 1923860), (107, 1546280), (116, 1426310), (124, 1334290), (145, 1141048), (155, 1067432), (172, 961930), (214, 773140), (215, 769544), (232, 713155), (248, 667145), (290, 570524), (310, 533716), (344, 480965), (428, 386570), (430, 384772), (535, 309256), (580, 285262), (620, 266858), (856, 193285), (860, 192386), (899, 184040), (1070, 154628), (1160, 142631), (1240, 133429), (1247, 132680), (1333, 124120), (1720, 96193), (1798, 92020), (2140, 77314), (2494, 66340), (2666, 62060), (3103, 53320), (3317, 49880), (3596, 46010), (4280, 38657), (4495, 36808), (4601, 35960), (4988, 33170), (5332, 31030), (6206, 26660), (6235, 26536), (6634, 24940), (6665, 24824), (7192, 23005), (8990, 18404), (9202, 17980), (9976, 16585), (10664, 15515), (12412, 13330), (12470, 13268)]