208163760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 240

約数和(自身を含む): 776236032

約数和(自身を除く): 568072272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 571, 588, 620, 651, 735, 744, 784, 840, 868, 930, 980, 1085, 1142, 1176, 1240, 1302, 1470, 1488, 1519, 1680, 1713, 1736, 1860, 1960, 2170, 2284, 2352, 2480, 2604, 2855, 2940, 3038, 3255, 3426, 3472, 3720, 3920, 3997, 4340, 4557, 4568, 5208, 5710, 5880, 6076, 6510, 6852, 7440, 7595, 7994, 8565, 8680, 9114, 9136, 10416, 11420, 11760, 11991, 12152, 13020, 13704, 15190, 15988, 17130, 17360, 17701, 18228, 19985, 22785, 22840, 23982, 24304, 26040, 27408, 27979, 30380, 31976, 34260, 35402, 36456, 39970, 45570, 45680, 47964, 52080, 53103, 55958, 59955, 60760, 63952, 68520, 70804, 72912, 79940, 83937, 88505, 91140, 95928, 106206, 111916, 119910, 121520, 123907, 137040, 139895, 141608, 159880, 167874, 177010, 182280, 191856, 212412, 223832, 239820, 247814, 265515, 279790, 283216, 319760, 335748, 354020, 364560, 371721, 419685, 424824, 447664, 479640, 495628, 531030, 559580, 619535, 671496, 708040, 743442, 839370, 849648, 867349, 959280, 991256, 1062060, 1119160, 1239070, 1342992, 1416080, 1486884, 1678740, 1734698, 1858605, 1982512, 2124120, 2238320, 2478140, 2602047, 2973768, 3357480, 3469396, 3717210, 4248240, 4336745, 4956280, 5204094, 5947536, 6714960, 6938792, 7434420, 8673490, 9912560, 10408188, 13010235, 13877584, 14868840, 17346980, 20816376, 26020470, 29737680, 34693960, 41632752, 52040940, 69387920, 104081880, 208163760]

約数ペア:

[(1, 208163760), (2, 104081880), (3, 69387920), (4, 52040940), (5, 41632752), (6, 34693960), (7, 29737680), (8, 26020470), (10, 20816376), (12, 17346980), (14, 14868840), (15, 13877584), (16, 13010235), (20, 10408188), (21, 9912560), (24, 8673490), (28, 7434420), (30, 6938792), (31, 6714960), (35, 5947536), (40, 5204094), (42, 4956280), (48, 4336745), (49, 4248240), (56, 3717210), (60, 3469396), (62, 3357480), (70, 2973768), (80, 2602047), (84, 2478140), (93, 2238320), (98, 2124120), (105, 1982512), (112, 1858605), (120, 1734698), (124, 1678740), (140, 1486884), (147, 1416080), (155, 1342992), (168, 1239070), (186, 1119160), (196, 1062060), (210, 991256), (217, 959280), (240, 867349), (245, 849648), (248, 839370), (280, 743442), (294, 708040), (310, 671496), (336, 619535), (372, 559580), (392, 531030), (420, 495628), (434, 479640), (465, 447664), (490, 424824), (496, 419685), (560, 371721), (571, 364560), (588, 354020), (620, 335748), (651, 319760), (735, 283216), (744, 279790), (784, 265515), (840, 247814), (868, 239820), (930, 223832), (980, 212412), (1085, 191856), (1142, 182280), (1176, 177010), (1240, 167874), (1302, 159880), (1470, 141608), (1488, 139895), (1519, 137040), (1680, 123907), (1713, 121520), (1736, 119910), (1860, 111916), (1960, 106206), (2170, 95928), (2284, 91140), (2352, 88505), (2480, 83937), (2604, 79940), (2855, 72912), (2940, 70804), (3038, 68520), (3255, 63952), (3426, 60760), (3472, 59955), (3720, 55958), (3920, 53103), (3997, 52080), (4340, 47964), (4557, 45680), (4568, 45570), (5208, 39970), (5710, 36456), (5880, 35402), (6076, 34260), (6510, 31976), (6852, 30380), (7440, 27979), (7595, 27408), (7994, 26040), (8565, 24304), (8680, 23982), (9114, 22840), (9136, 22785), (10416, 19985), (11420, 18228), (11760, 17701), (11991, 17360), (12152, 17130), (13020, 15988), (13704, 15190)]