515415136000

素因数分解:

$2^8\times 5^3\times {\mathrm{991}}^1\times {\mathrm{16253}}^1$

素因数の和:17275

約数の個数: 144

約数和(自身を含む): 1285338233088

約数和(自身を除く): 769923097088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 991, 1000, 1280, 1600, 1982, 2000, 3200, 3964, 4000, 4955, 6400, 7928, 8000, 9910, 15856, 16000, 16253, 19820, 24775, 31712, 32000, 32506, 39640, 49550, 63424, 65012, 79280, 81265, 99100, 123875, 126848, 130024, 158560, 162530, 198200, 247750, 253696, 260048, 317120, 325060, 396400, 406325, 495500, 520096, 634240, 650120, 792800, 812650, 991000, 1040192, 1268480, 1300240, 1585600, 1625300, 1982000, 2031625, 2080384, 2600480, 3171200, 3250600, 3964000, 4063250, 4160768, 5200960, 6342400, 6501200, 7928000, 8126500, 10401920, 13002400, 15856000, 16106723, 16253000, 20803840, 26004800, 31712000, 32213446, 32506000, 52009600, 64426892, 65012000, 80533615, 104019200, 128853784, 130024000, 161067230, 257707568, 260048000, 322134460, 402668075, 515415136, 520096000, 644268920, 805336150, 1030830272, 1288537840, 1610672300, 2013340375, 2061660544, 2577075680, 3221344600, 4026680750, 4123321088, 5154151360, 6442689200, 8053361500, 10308302720, 12885378400, 16106723000, 20616605440, 25770756800, 32213446000, 51541513600, 64426892000, 103083027200, 128853784000, 257707568000, 515415136000]

約数ペア:

[(1, 515415136000), (2, 257707568000), (4, 128853784000), (5, 103083027200), (8, 64426892000), (10, 51541513600), (16, 32213446000), (20, 25770756800), (25, 20616605440), (32, 16106723000), (40, 12885378400), (50, 10308302720), (64, 8053361500), (80, 6442689200), (100, 5154151360), (125, 4123321088), (128, 4026680750), (160, 3221344600), (200, 2577075680), (250, 2061660544), (256, 2013340375), (320, 1610672300), (400, 1288537840), (500, 1030830272), (640, 805336150), (800, 644268920), (991, 520096000), (1000, 515415136), (1280, 402668075), (1600, 322134460), (1982, 260048000), (2000, 257707568), (3200, 161067230), (3964, 130024000), (4000, 128853784), (4955, 104019200), (6400, 80533615), (7928, 65012000), (8000, 64426892), (9910, 52009600), (15856, 32506000), (16000, 32213446), (16253, 31712000), (19820, 26004800), (24775, 20803840), (31712, 16253000), (32000, 16106723), (32506, 15856000), (39640, 13002400), (49550, 10401920), (63424, 8126500), (65012, 7928000), (79280, 6501200), (81265, 6342400), (99100, 5200960), (123875, 4160768), (126848, 4063250), (130024, 3964000), (158560, 3250600), (162530, 3171200), (198200, 2600480), (247750, 2080384), (253696, 2031625), (260048, 1982000), (317120, 1625300), (325060, 1585600), (396400, 1300240), (406325, 1268480), (495500, 1040192), (520096, 991000), (634240, 812650), (650120, 792800)]