131383080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:768

約数の個数: 128

約数和(自身を含む): 440640000

約数和(自身を除く): 309256920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 239, 270, 360, 478, 509, 540, 717, 956, 1018, 1080, 1195, 1434, 1527, 1912, 2036, 2151, 2390, 2545, 2868, 3054, 3585, 4072, 4302, 4581, 4780, 5090, 5736, 6108, 6453, 7170, 7635, 8604, 9162, 9560, 10180, 10755, 12216, 12906, 13743, 14340, 15270, 17208, 18324, 20360, 21510, 22905, 25812, 27486, 28680, 30540, 32265, 36648, 43020, 45810, 51624, 54972, 61080, 64530, 68715, 86040, 91620, 109944, 121651, 129060, 137430, 183240, 243302, 258120, 274860, 364953, 486604, 549720, 608255, 729906, 973208, 1094859, 1216510, 1459812, 1824765, 2189718, 2433020, 2919624, 3284577, 3649530, 4379436, 4866040, 5474295, 6569154, 7299060, 8758872, 10948590, 13138308, 14598120, 16422885, 21897180, 26276616, 32845770, 43794360, 65691540, 131383080]

約数ペア:

[(1, 131383080), (2, 65691540), (3, 43794360), (4, 32845770), (5, 26276616), (6, 21897180), (8, 16422885), (9, 14598120), (10, 13138308), (12, 10948590), (15, 8758872), (18, 7299060), (20, 6569154), (24, 5474295), (27, 4866040), (30, 4379436), (36, 3649530), (40, 3284577), (45, 2919624), (54, 2433020), (60, 2189718), (72, 1824765), (90, 1459812), (108, 1216510), (120, 1094859), (135, 973208), (180, 729906), (216, 608255), (239, 549720), (270, 486604), (360, 364953), (478, 274860), (509, 258120), (540, 243302), (717, 183240), (956, 137430), (1018, 129060), (1080, 121651), (1195, 109944), (1434, 91620), (1527, 86040), (1912, 68715), (2036, 64530), (2151, 61080), (2390, 54972), (2545, 51624), (2868, 45810), (3054, 43020), (3585, 36648), (4072, 32265), (4302, 30540), (4581, 28680), (4780, 27486), (5090, 25812), (5736, 22905), (6108, 21510), (6453, 20360), (7170, 18324), (7635, 17208), (8604, 15270), (9162, 14340), (9560, 13743), (10180, 12906), (10755, 12216)]