257525760

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 192

約数和(自身を含む): 842063040

約数和(自身を除く): 584537280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 101, 120, 128, 160, 166, 192, 202, 240, 249, 256, 303, 320, 332, 384, 404, 415, 480, 498, 505, 512, 606, 640, 664, 768, 808, 830, 960, 996, 1010, 1024, 1212, 1245, 1280, 1328, 1515, 1536, 1616, 1660, 1920, 1992, 2020, 2048, 2424, 2490, 2560, 2656, 3030, 3072, 3232, 3320, 3840, 3984, 4040, 4848, 4980, 5120, 5312, 6060, 6144, 6464, 6640, 7680, 7968, 8080, 8383, 9696, 9960, 10240, 10624, 12120, 12928, 13280, 15360, 15936, 16160, 16766, 19392, 19920, 21248, 24240, 25149, 25856, 26560, 30720, 31872, 32320, 33532, 38784, 39840, 41915, 42496, 48480, 50298, 51712, 53120, 63744, 64640, 67064, 77568, 79680, 83830, 84992, 96960, 100596, 103424, 106240, 125745, 127488, 129280, 134128, 155136, 159360, 167660, 169984, 193920, 201192, 206848, 212480, 251490, 254976, 258560, 268256, 310272, 318720, 335320, 387840, 402384, 424960, 502980, 509952, 517120, 536512, 620544, 637440, 670640, 775680, 804768, 849920, 1005960, 1034240, 1073024, 1274880, 1341280, 1551360, 1609536, 2011920, 2146048, 2549760, 2682560, 3102720, 3219072, 4023840, 4292096, 5365120, 6438144, 8047680, 8584192, 10730240, 12876288, 16095360, 17168384, 21460480, 25752576, 32190720, 42920960, 51505152, 64381440, 85841920, 128762880, 257525760]

約数ペア:

[(1, 257525760), (2, 128762880), (3, 85841920), (4, 64381440), (5, 51505152), (6, 42920960), (8, 32190720), (10, 25752576), (12, 21460480), (15, 17168384), (16, 16095360), (20, 12876288), (24, 10730240), (30, 8584192), (32, 8047680), (40, 6438144), (48, 5365120), (60, 4292096), (64, 4023840), (80, 3219072), (83, 3102720), (96, 2682560), (101, 2549760), (120, 2146048), (128, 2011920), (160, 1609536), (166, 1551360), (192, 1341280), (202, 1274880), (240, 1073024), (249, 1034240), (256, 1005960), (303, 849920), (320, 804768), (332, 775680), (384, 670640), (404, 637440), (415, 620544), (480, 536512), (498, 517120), (505, 509952), (512, 502980), (606, 424960), (640, 402384), (664, 387840), (768, 335320), (808, 318720), (830, 310272), (960, 268256), (996, 258560), (1010, 254976), (1024, 251490), (1212, 212480), (1245, 206848), (1280, 201192), (1328, 193920), (1515, 169984), (1536, 167660), (1616, 159360), (1660, 155136), (1920, 134128), (1992, 129280), (2020, 127488), (2048, 125745), (2424, 106240), (2490, 103424), (2560, 100596), (2656, 96960), (3030, 84992), (3072, 83830), (3232, 79680), (3320, 77568), (3840, 67064), (3984, 64640), (4040, 63744), (4848, 53120), (4980, 51712), (5120, 50298), (5312, 48480), (6060, 42496), (6144, 41915), (6464, 39840), (6640, 38784), (7680, 33532), (7968, 32320), (8080, 31872), (8383, 30720), (9696, 26560), (9960, 25856), (10240, 25149), (10624, 24240), (12120, 21248), (12928, 19920), (13280, 19392), (15360, 16766), (15936, 16160)]