1557281280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:299

約数の個数: 240

約数和(自身を含む): 5168588832

約数和(自身を除く): 3611307552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 211, 240, 248, 256, 310, 320, 372, 384, 422, 465, 480, 496, 512, 620, 633, 640, 744, 768, 844, 930, 960, 961, 992, 1055, 1240, 1266, 1280, 1488, 1536, 1688, 1860, 1920, 1922, 1984, 2110, 2480, 2532, 2560, 2883, 2976, 3165, 3376, 3720, 3840, 3844, 3968, 4220, 4805, 4960, 5064, 5766, 5952, 6330, 6541, 6752, 7440, 7680, 7688, 7936, 8440, 9610, 9920, 10128, 11532, 11904, 12660, 13082, 13504, 14415, 14880, 15376, 15872, 16880, 19220, 19623, 19840, 20256, 23064, 23808, 25320, 26164, 27008, 28830, 29760, 30752, 32705, 33760, 38440, 39246, 39680, 40512, 46128, 47616, 50640, 52328, 54016, 57660, 59520, 61504, 65410, 67520, 76880, 78492, 79360, 81024, 92256, 98115, 101280, 104656, 108032, 115320, 119040, 123008, 130820, 135040, 153760, 156984, 162048, 184512, 196230, 202560, 202771, 209312, 230640, 238080, 246016, 261640, 270080, 307520, 313968, 324096, 369024, 392460, 405120, 405542, 418624, 461280, 492032, 523280, 540160, 608313, 615040, 627936, 738048, 784920, 810240, 811084, 837248, 922560, 1013855, 1046560, 1216626, 1230080, 1255872, 1476096, 1569840, 1620480, 1622168, 1674496, 1845120, 2027710, 2093120, 2433252, 2460160, 2511744, 3041565, 3139680, 3244336, 3348992, 3690240, 4055420, 4186240, 4866504, 5023488, 6083130, 6279360, 6488672, 7380480, 8110840, 8372480, 9733008, 10046976, 12166260, 12558720, 12977344, 16221680, 16744960, 19466016, 24332520, 25117440, 25954688, 32443360, 38932032, 48665040, 50234880, 51909376, 64886720, 77864064, 97330080, 103818752, 129773440, 155728128, 194660160, 259546880, 311456256, 389320320, 519093760, 778640640, 1557281280]

約数ペア:

[(1, 1557281280), (2, 778640640), (3, 519093760), (4, 389320320), (5, 311456256), (6, 259546880), (8, 194660160), (10, 155728128), (12, 129773440), (15, 103818752), (16, 97330080), (20, 77864064), (24, 64886720), (30, 51909376), (31, 50234880), (32, 48665040), (40, 38932032), (48, 32443360), (60, 25954688), (62, 25117440), (64, 24332520), (80, 19466016), (93, 16744960), (96, 16221680), (120, 12977344), (124, 12558720), (128, 12166260), (155, 10046976), (160, 9733008), (186, 8372480), (192, 8110840), (211, 7380480), (240, 6488672), (248, 6279360), (256, 6083130), (310, 5023488), (320, 4866504), (372, 4186240), (384, 4055420), (422, 3690240), (465, 3348992), (480, 3244336), (496, 3139680), (512, 3041565), (620, 2511744), (633, 2460160), (640, 2433252), (744, 2093120), (768, 2027710), (844, 1845120), (930, 1674496), (960, 1622168), (961, 1620480), (992, 1569840), (1055, 1476096), (1240, 1255872), (1266, 1230080), (1280, 1216626), (1488, 1046560), (1536, 1013855), (1688, 922560), (1860, 837248), (1920, 811084), (1922, 810240), (1984, 784920), (2110, 738048), (2480, 627936), (2532, 615040), (2560, 608313), (2883, 540160), (2976, 523280), (3165, 492032), (3376, 461280), (3720, 418624), (3840, 405542), (3844, 405120), (3968, 392460), (4220, 369024), (4805, 324096), (4960, 313968), (5064, 307520), (5766, 270080), (5952, 261640), (6330, 246016), (6541, 238080), (6752, 230640), (7440, 209312), (7680, 202771), (7688, 202560), (7936, 196230), (8440, 184512), (9610, 162048), (9920, 156984), (10128, 153760), (11532, 135040), (11904, 130820), (12660, 123008), (13082, 119040), (13504, 115320), (14415, 108032), (14880, 104656), (15376, 101280), (15872, 98115), (16880, 92256), (19220, 81024), (19623, 79360), (19840, 78492), (20256, 76880), (23064, 67520), (23808, 65410), (25320, 61504), (26164, 59520), (27008, 57660), (28830, 54016), (29760, 52328), (30752, 50640), (32705, 47616), (33760, 46128), (38440, 40512), (39246, 39680)]