315205520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 160

約数和(自身を含む): 880705536

約数和(自身を除く): 565500016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 67, 70, 80, 112, 124, 134, 140, 155, 217, 248, 268, 271, 280, 310, 335, 434, 469, 496, 536, 542, 560, 620, 670, 868, 938, 1072, 1084, 1085, 1240, 1340, 1355, 1736, 1876, 1897, 2077, 2168, 2170, 2345, 2480, 2680, 2710, 3472, 3752, 3794, 4154, 4336, 4340, 4690, 5360, 5420, 7504, 7588, 8308, 8401, 8680, 9380, 9485, 10385, 10840, 14539, 15176, 16616, 16802, 17360, 18157, 18760, 18970, 20770, 21680, 29078, 30352, 33232, 33604, 36314, 37520, 37940, 41540, 42005, 58156, 58807, 67208, 72628, 72695, 75880, 83080, 84010, 90785, 116312, 117614, 127099, 134416, 145256, 145390, 151760, 166160, 168020, 181570, 232624, 235228, 254198, 290512, 290780, 294035, 336040, 363140, 470456, 508396, 562867, 581560, 588070, 635495, 672080, 726280, 940912, 1016792, 1125734, 1163120, 1176140, 1270990, 1452560, 2033584, 2251468, 2352280, 2541980, 2814335, 3940069, 4502936, 4704560, 5083960, 5628670, 7880138, 9005872, 10167920, 11257340, 15760276, 19700345, 22514680, 31520552, 39400690, 45029360, 63041104, 78801380, 157602760, 315205520]

約数ペア:

[(1, 315205520), (2, 157602760), (4, 78801380), (5, 63041104), (7, 45029360), (8, 39400690), (10, 31520552), (14, 22514680), (16, 19700345), (20, 15760276), (28, 11257340), (31, 10167920), (35, 9005872), (40, 7880138), (56, 5628670), (62, 5083960), (67, 4704560), (70, 4502936), (80, 3940069), (112, 2814335), (124, 2541980), (134, 2352280), (140, 2251468), (155, 2033584), (217, 1452560), (248, 1270990), (268, 1176140), (271, 1163120), (280, 1125734), (310, 1016792), (335, 940912), (434, 726280), (469, 672080), (496, 635495), (536, 588070), (542, 581560), (560, 562867), (620, 508396), (670, 470456), (868, 363140), (938, 336040), (1072, 294035), (1084, 290780), (1085, 290512), (1240, 254198), (1340, 235228), (1355, 232624), (1736, 181570), (1876, 168020), (1897, 166160), (2077, 151760), (2168, 145390), (2170, 145256), (2345, 134416), (2480, 127099), (2680, 117614), (2710, 116312), (3472, 90785), (3752, 84010), (3794, 83080), (4154, 75880), (4336, 72695), (4340, 72628), (4690, 67208), (5360, 58807), (5420, 58156), (7504, 42005), (7588, 41540), (8308, 37940), (8401, 37520), (8680, 36314), (9380, 33604), (9485, 33232), (10385, 30352), (10840, 29078), (14539, 21680), (15176, 20770), (16616, 18970), (16802, 18760), (17360, 18157)]