2551205760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42863}}^1$

素因数の和:42916

約数の個数: 128

約数和(自身を含む): 8394485760

約数和(自身を除く): 5843280000

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, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 19840, 29760, 42863, 59520, 85726, 128589, 171452, 214315, 257178, 342904, 428630, 514356, 642945, 685808, 857260, 1028712, 1285890, 1328753, 1371616, 1714520, 2057424, 2571780, 2657506, 2743232, 3429040, 3986259, 4114848, 5143560, 5315012, 5486464, 6643765, 6858080, 7972518, 8229696, 10287120, 10630024, 13287530, 13716160, 15945036, 16459392, 19931295, 20574240, 21260048, 26575060, 27432320, 31890072, 39862590, 41148480, 42520096, 53150120, 63780144, 79725180, 82296960, 85040192, 106300240, 127560288, 159450360, 170080384, 212600480, 255120576, 318900720, 425200960, 510241152, 637801440, 850401920, 1275602880, 2551205760]

約数ペア:

[(1, 2551205760), (2, 1275602880), (3, 850401920), (4, 637801440), (5, 510241152), (6, 425200960), (8, 318900720), (10, 255120576), (12, 212600480), (15, 170080384), (16, 159450360), (20, 127560288), (24, 106300240), (30, 85040192), (31, 82296960), (32, 79725180), (40, 63780144), (48, 53150120), (60, 42520096), (62, 41148480), (64, 39862590), (80, 31890072), (93, 27432320), (96, 26575060), (120, 21260048), (124, 20574240), (128, 19931295), (155, 16459392), (160, 15945036), (186, 13716160), (192, 13287530), (240, 10630024), (248, 10287120), (310, 8229696), (320, 7972518), (372, 6858080), (384, 6643765), (465, 5486464), (480, 5315012), (496, 5143560), (620, 4114848), (640, 3986259), (744, 3429040), (930, 2743232), (960, 2657506), (992, 2571780), (1240, 2057424), (1488, 1714520), (1860, 1371616), (1920, 1328753), (1984, 1285890), (2480, 1028712), (2976, 857260), (3720, 685808), (3968, 642945), (4960, 514356), (5952, 428630), (7440, 342904), (9920, 257178), (11904, 214315), (14880, 171452), (19840, 128589), (29760, 85726), (42863, 59520)]