251543040

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{4679}}^1$

素因数の和:4712

約数の個数: 160

約数和(自身を含む): 919226880

約数和(自身を除く): 667683840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 4679, 5376, 6720, 7680, 8960, 9358, 10752, 13440, 14037, 17920, 18716, 23395, 26880, 28074, 32753, 37432, 46790, 53760, 56148, 65506, 70185, 74864, 93580, 98259, 112296, 131012, 140370, 149728, 163765, 187160, 196518, 224592, 262024, 280740, 299456, 327530, 374320, 393036, 449184, 491295, 524048, 561480, 598912, 655060, 748640, 786072, 898368, 982590, 1048096, 1122960, 1197824, 1310120, 1497280, 1572144, 1796736, 1965180, 2096192, 2245920, 2395648, 2620240, 2994560, 3144288, 3593472, 3930360, 4192384, 4491840, 5240480, 5989120, 6288576, 7186944, 7860720, 8384768, 8983680, 10480960, 11978240, 12577152, 15721440, 16769536, 17967360, 20961920, 25154304, 31442880, 35934720, 41923840, 50308608, 62885760, 83847680, 125771520, 251543040]

約数ペア:

[(1, 251543040), (2, 125771520), (3, 83847680), (4, 62885760), (5, 50308608), (6, 41923840), (7, 35934720), (8, 31442880), (10, 25154304), (12, 20961920), (14, 17967360), (15, 16769536), (16, 15721440), (20, 12577152), (21, 11978240), (24, 10480960), (28, 8983680), (30, 8384768), (32, 7860720), (35, 7186944), (40, 6288576), (42, 5989120), (48, 5240480), (56, 4491840), (60, 4192384), (64, 3930360), (70, 3593472), (80, 3144288), (84, 2994560), (96, 2620240), (105, 2395648), (112, 2245920), (120, 2096192), (128, 1965180), (140, 1796736), (160, 1572144), (168, 1497280), (192, 1310120), (210, 1197824), (224, 1122960), (240, 1048096), (256, 982590), (280, 898368), (320, 786072), (336, 748640), (384, 655060), (420, 598912), (448, 561480), (480, 524048), (512, 491295), (560, 449184), (640, 393036), (672, 374320), (768, 327530), (840, 299456), (896, 280740), (960, 262024), (1120, 224592), (1280, 196518), (1344, 187160), (1536, 163765), (1680, 149728), (1792, 140370), (1920, 131012), (2240, 112296), (2560, 98259), (2688, 93580), (3360, 74864), (3584, 70185), (3840, 65506), (4480, 56148), (4679, 53760), (5376, 46790), (6720, 37432), (7680, 32753), (8960, 28074), (9358, 26880), (10752, 23395), (13440, 18716), (14037, 17920)]