248907680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 710664192

約数和(自身を除く): 461756512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 67, 70, 80, 107, 112, 124, 134, 140, 155, 160, 214, 217, 224, 248, 268, 280, 310, 335, 428, 434, 469, 496, 535, 536, 560, 620, 670, 749, 856, 868, 938, 992, 1070, 1072, 1085, 1120, 1240, 1340, 1498, 1712, 1736, 1876, 2077, 2140, 2144, 2170, 2345, 2480, 2680, 2996, 3317, 3424, 3472, 3745, 3752, 4154, 4280, 4340, 4690, 4960, 5360, 5992, 6634, 6944, 7169, 7490, 7504, 8308, 8560, 8680, 9380, 10385, 10720, 11984, 13268, 14338, 14539, 14980, 15008, 16585, 16616, 17120, 17360, 18760, 20770, 23219, 23968, 26536, 28676, 29078, 29960, 33170, 33232, 34720, 35845, 37520, 41540, 46438, 50183, 53072, 57352, 58156, 59920, 66340, 66464, 71690, 72695, 75040, 83080, 92876, 100366, 106144, 114704, 116095, 116312, 119840, 132680, 143380, 145390, 166160, 185752, 200732, 222239, 229408, 232190, 232624, 250915, 265360, 286760, 290780, 332320, 371504, 401464, 444478, 464380, 465248, 501830, 530720, 573520, 581560, 743008, 802928, 888956, 928760, 1003660, 1111195, 1147040, 1163120, 1555673, 1605856, 1777912, 1857520, 2007320, 2222390, 2326240, 3111346, 3555824, 3715040, 4014640, 4444780, 6222692, 7111648, 7778365, 8029280, 8889560, 12445384, 15556730, 17779120, 24890768, 31113460, 35558240, 49781536, 62226920, 124453840, 248907680]

約数ペア:

[(1, 248907680), (2, 124453840), (4, 62226920), (5, 49781536), (7, 35558240), (8, 31113460), (10, 24890768), (14, 17779120), (16, 15556730), (20, 12445384), (28, 8889560), (31, 8029280), (32, 7778365), (35, 7111648), (40, 6222692), (56, 4444780), (62, 4014640), (67, 3715040), (70, 3555824), (80, 3111346), (107, 2326240), (112, 2222390), (124, 2007320), (134, 1857520), (140, 1777912), (155, 1605856), (160, 1555673), (214, 1163120), (217, 1147040), (224, 1111195), (248, 1003660), (268, 928760), (280, 888956), (310, 802928), (335, 743008), (428, 581560), (434, 573520), (469, 530720), (496, 501830), (535, 465248), (536, 464380), (560, 444478), (620, 401464), (670, 371504), (749, 332320), (856, 290780), (868, 286760), (938, 265360), (992, 250915), (1070, 232624), (1072, 232190), (1085, 229408), (1120, 222239), (1240, 200732), (1340, 185752), (1498, 166160), (1712, 145390), (1736, 143380), (1876, 132680), (2077, 119840), (2140, 116312), (2144, 116095), (2170, 114704), (2345, 106144), (2480, 100366), (2680, 92876), (2996, 83080), (3317, 75040), (3424, 72695), (3472, 71690), (3745, 66464), (3752, 66340), (4154, 59920), (4280, 58156), (4340, 57352), (4690, 53072), (4960, 50183), (5360, 46438), (5992, 41540), (6634, 37520), (6944, 35845), (7169, 34720), (7490, 33232), (7504, 33170), (8308, 29960), (8560, 29078), (8680, 28676), (9380, 26536), (10385, 23968), (10720, 23219), (11984, 20770), (13268, 18760), (14338, 17360), (14539, 17120), (14980, 16616), (15008, 16585)]