261218080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2963}}^1$

素因数の和:3026

約数の個数: 96

約数和(自身を含む): 672235200

約数和(自身を除く): 411017120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 76, 80, 95, 116, 145, 152, 160, 190, 232, 290, 304, 380, 464, 551, 580, 608, 760, 928, 1102, 1160, 1520, 2204, 2320, 2755, 2963, 3040, 4408, 4640, 5510, 5926, 8816, 11020, 11852, 14815, 17632, 22040, 23704, 29630, 44080, 47408, 56297, 59260, 85927, 88160, 94816, 112594, 118520, 171854, 225188, 237040, 281485, 343708, 429635, 450376, 474080, 562970, 687416, 859270, 900752, 1125940, 1374832, 1632613, 1718540, 1801504, 2251880, 2749664, 3265226, 3437080, 4503760, 6530452, 6874160, 8163065, 9007520, 13060904, 13748320, 16326130, 26121808, 32652260, 52243616, 65304520, 130609040, 261218080]

約数ペア:

[(1, 261218080), (2, 130609040), (4, 65304520), (5, 52243616), (8, 32652260), (10, 26121808), (16, 16326130), (19, 13748320), (20, 13060904), (29, 9007520), (32, 8163065), (38, 6874160), (40, 6530452), (58, 4503760), (76, 3437080), (80, 3265226), (95, 2749664), (116, 2251880), (145, 1801504), (152, 1718540), (160, 1632613), (190, 1374832), (232, 1125940), (290, 900752), (304, 859270), (380, 687416), (464, 562970), (551, 474080), (580, 450376), (608, 429635), (760, 343708), (928, 281485), (1102, 237040), (1160, 225188), (1520, 171854), (2204, 118520), (2320, 112594), (2755, 94816), (2963, 88160), (3040, 85927), (4408, 59260), (4640, 56297), (5510, 47408), (5926, 44080), (8816, 29630), (11020, 23704), (11852, 22040), (14815, 17632)]