262604720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2219

約数の個数: 120

約数和(自身を含む): 733488768

約数和(自身を除く): 470884048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2161, 2170, 2480, 3038, 3472, 3920, 4322, 4340, 6076, 7595, 8644, 8680, 10805, 12152, 15127, 15190, 17288, 17360, 21610, 24304, 30254, 30380, 34576, 43220, 60508, 60760, 66991, 75635, 86440, 105889, 121016, 121520, 133982, 151270, 172880, 211778, 242032, 267964, 302540, 334955, 423556, 468937, 529445, 535928, 605080, 669910, 847112, 937874, 1058890, 1071856, 1210160, 1339820, 1694224, 1875748, 2117780, 2344685, 2679640, 3282559, 3751496, 4235560, 4689370, 5359280, 6565118, 7502992, 8471120, 9378740, 13130236, 16412795, 18757480, 26260472, 32825590, 37514960, 52520944, 65651180, 131302360, 262604720]

約数ペア:

[(1, 262604720), (2, 131302360), (4, 65651180), (5, 52520944), (7, 37514960), (8, 32825590), (10, 26260472), (14, 18757480), (16, 16412795), (20, 13130236), (28, 9378740), (31, 8471120), (35, 7502992), (40, 6565118), (49, 5359280), (56, 4689370), (62, 4235560), (70, 3751496), (80, 3282559), (98, 2679640), (112, 2344685), (124, 2117780), (140, 1875748), (155, 1694224), (196, 1339820), (217, 1210160), (245, 1071856), (248, 1058890), (280, 937874), (310, 847112), (392, 669910), (434, 605080), (490, 535928), (496, 529445), (560, 468937), (620, 423556), (784, 334955), (868, 302540), (980, 267964), (1085, 242032), (1240, 211778), (1519, 172880), (1736, 151270), (1960, 133982), (2161, 121520), (2170, 121016), (2480, 105889), (3038, 86440), (3472, 75635), (3920, 66991), (4322, 60760), (4340, 60508), (6076, 43220), (7595, 34576), (8644, 30380), (8680, 30254), (10805, 24304), (12152, 21610), (15127, 17360), (15190, 17288)]